:root {
    --green: #6DBE45;
    --green-dark: #5aa83a;
    --mint: #edf9e5;
    --sakura: #ffe4ec;
    --sky: #e8f5ff;
    --purple: #f1edff;
    --cream: #fffdf7;
    --text: #1e2a3a;
    --muted: #6b7280;
    --card: #ffffff;

    /* Theme-aware fallbacks (overridden by data-theme in theme.css) */
    --bg-main: #f6f8fc;
    --bg-page: #f8fafc;
    --bg-soft: #eef3fb;
    --bg-card: #ffffff;
    --bg-card-2: #f8fbff;
    --bg-card-hover: #f1f7ff;
    --text-main: #0f172a;
    --text-soft: #334155;
    --text-muted: #64748b;
    --text-disabled: #94a3b8;
    --border-soft: rgba(15, 23, 42, 0.08);
    --border-medium: rgba(15, 23, 42, 0.14);
    --border-strong: rgba(15, 23, 42, 0.22);
    --input-bg: #ffffff;
    --input-text: #0f172a;
    --input-placeholder: #94a3b8;
    --input-border: rgba(15, 23, 42, 0.14);
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-soft: rgba(37, 99, 235, 0.10);
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.06);
    --shadow-card: 0 16px 40px rgba(15, 23, 42, 0.08);
    --shadow-soft: 0 10px 26px rgba(15, 23, 42, 0.06);
    --gradient-body: linear-gradient(135deg, #f6f8fc 0%, #eef3fb 45%, #fff7fb 100%);
    --accent-sakura: #f43f7f;
    --accent-sakura-soft: rgba(244, 63, 127, 0.12);
    --accent-green: #58c83d;
    --accent-green-hover: #49a92f;
    --accent-green-soft: rgba(88, 200, 61, 0.14);
    --accent-orange: #f97316;
    --accent-orange-soft: rgba(249, 115, 22, 0.12);
    --accent-purple: #7c3aed;
    --accent-purple-soft: rgba(124, 58, 237, 0.12);
    --success-bg: #eaf8e6;
    --success-text: #2f8a1f;
    --warning-bg: #fff2df;
    --warning-text: #c2410c;
    --danger-bg: #ffe8ee;
    --danger-text: #be123c;
    --info-bg: #e8f1ff;
    --info-text: #1d4ed8;
}

[data-theme="dark"] {
    --text: #f8fafc;
    --muted: #94a3b8;
    --card: #111827;
    --bg-main: #070b16;
    --bg-page: #0b1020;
    --bg-soft: #0f172a;
    --bg-card: #111827;
    --bg-card-2: #162033;
    --bg-card-hover: #1b2740;
    --text-main: #f8fafc;
    --text-soft: #cbd5e1;
    --text-muted: #94a3b8;
    --border-soft: rgba(148, 163, 184, 0.18);
    --border-medium: rgba(148, 163, 184, 0.28);
    --border-strong: rgba(148, 163, 184, 0.38);
    --input-bg: #172033;
    --input-text: #f8fafc;
    --input-placeholder: #94a3b8;
    --input-border: rgba(148, 163, 184, 0.28);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Nunito', sans-serif;
    color: var(--text-main, var(--text));
    background: var(--gradient-body);
    min-height: 100vh;
    padding-top: 64px;
}

.jp-text {
    font-family: 'Noto Sans JP', sans-serif;
}

.soft-navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 64px;              /* ← fixed, predictable height */
    z-index: 1000;
    background: var(--bg-navbar, rgba(255, 255, 255, 0.92));
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-soft, rgba(0, 0, 0, 0.06));
    box-shadow: 0 2px 20px var(--shadow-sm, rgba(36, 48, 68, 0.06));
    overflow: visible;
    box-sizing: border-box;
    display: flex;
    align-items: center;
}
.soft-navbar .navbar-collapse {
    overflow: visible;
}

.hero-section {
    padding: 50px 0 70px;
}

.soft-badge {
    display: inline-flex;
    align-items: center;
    background: #ffffff;
    border: 1px solid rgba(88, 204, 2, 0.18);
    color: var(--green-dark);
    border-radius: 999px;
    padding: 8px 16px;
    font-weight: 800;
    box-shadow: 0 10px 30px rgba(36, 48, 68, 0.06);
}

.hero-title {
    font-size: clamp(2.4rem, 5vw, 4.6rem);
    line-height: 1.05;
    font-weight: 900;
    letter-spacing: -1.5px;
}

.hero-title span {
    color: var(--green);
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--muted);
    max-width: 580px;
}

.shadow-soft {
    box-shadow: 0 14px 30px rgba(88, 204, 2, 0.22);
}

.hero-stats {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.hero-stats div {
    background: rgba(255, 255, 255, 0.75);
    border-radius: 22px;
    padding: 16px 22px;
    min-width: 120px;
    box-shadow: 0 18px 40px rgba(36, 48, 68, 0.08);
}

.hero-stats strong {
    display: block;
    font-size: 1.4rem;
}

.hero-stats span {
    color: var(--muted);
    font-size: 0.9rem;
}

.learning-card {
    background: rgba(255, 255, 255, 0.88);
    border-radius: 34px;
    padding: 34px;
    box-shadow: 0 28px 80px rgba(36, 48, 68, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transform: rotate(1deg);
}

.delightful-vocab-card {
    animation: gentleFloatCard 6s ease-in-out infinite;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.delightful-vocab-card:hover {
    animation: none;
    transform: translateY(-12px) scale(1.02) rotate(0deg);
    box-shadow: 0 38px 90px rgba(36, 48, 68, 0.18);
}

@keyframes gentleFloatCard {
    0%, 100% {
        transform: translateY(0) rotate(1deg);
    }
    50% {
        transform: translateY(-8px) rotate(2deg);
    }
}

.card-top {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.small-label {
    color: var(--muted);
    font-weight: 800;
}

.card-top h2 {
    font-size: 4rem;
    font-weight: 800;
    margin: 10px 0 0;
}

.level-pill {
    background: var(--mint);
    color: var(--green-dark);
    height: fit-content;
    padding: 9px 16px;
    border-radius: 999px;
    font-weight: 900;
}

.example-box {
    background: var(--sky);
    border-radius: 24px;
    padding: 20px;
    margin-top: 24px;
}

.soft-progress {
    height: 14px;
    border-radius: 999px;
    background: #edf2f7;
}

.soft-progress .progress-bar {
    background: var(--green);
    border-radius: 999px;
}

.ai-tip {
    background: var(--purple);
    border-radius: 24px;
    padding: 18px;
}

.feature-section {
    padding: 60px 0 90px;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 900;
}

.feature-card {
    height: 100%;
    background: var(--bg-card, #ffffff);
    border-radius: 28px;
    padding: 30px;
    box-shadow: var(--shadow-card, 0 20px 50px rgba(36, 48, 68, 0.08));
    border: 1px solid var(--border-soft, transparent);
    transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover, 0 25px 60px rgba(36, 48, 68, 0.12));
}

.feature-icon {
    width: 58px;
    height: 58px;
    border-radius: 20px;
    background: var(--mint);
    display: grid;
    place-items: center;
    font-size: 1.8rem;
    margin-bottom: 22px;
}

.feature-card h4 {
    font-weight: 900;
}

.feature-card p {
    color: var(--muted);
}

.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 14px;
    background: var(--sakura);
    display: inline-grid;
    place-items: center;
}

.nav-main {
    gap: 4px;
}

.soft-navbar .nav-link {
    font-weight: 600;
    color: var(--text-main, var(--text));
    opacity: 0.7;
    transition: all 0.2s ease;
    padding: 8px 16px;
    border-radius: 12px;
    position: relative;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 0.95rem;
}

.soft-navbar .nav-link:hover {
    color: var(--accent-green, var(--green-dark));
    opacity: 1;
    background: var(--accent-green-bg, var(--mint));
}

/* Active page underline */
.soft-navbar .nav-link.active {
    color: var(--accent-green, var(--green-dark));
    opacity: 1;
}

.soft-navbar .nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: var(--green);
    border-radius: 999px;
}

/* === Nav Dropdown === */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-arrow {
    transition: transform 0.2s ease;
    color: var(--muted);
    flex-shrink: 0;
}

.nav-dropdown.open .nav-arrow {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1100;
    background: var(--bg-dropdown, #ffffff);
    border: 1px solid var(--border-soft, rgba(0, 0, 0, 0.06));
    border-radius: 18px;
    box-shadow: 0 16px 48px var(--shadow-md, rgba(36, 48, 68, 0.14));
    padding: 8px;
    padding-top: 10px;
    margin-top: -4px;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.18s ease, visibility 0.18s ease;
    pointer-events: none;
}

.nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 12px;
    color: var(--text-main, var(--text));
    font-weight: 600;
    font-size: 0.92rem;
    text-decoration: none;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.nav-dropdown-item:hover {
    background: var(--accent-green-bg, var(--mint));
    color: var(--accent-green, var(--green-dark));
}

.nav-dropdown-item.nav-dropdown-disabled,
.nav-dropdown-item.nav-dropdown-disabled:hover,
.nav-dropdown-item:disabled {
    width: 100%;
    border: 0;
    background: transparent;
    color: var(--text-muted, #94a3b8);
    cursor: not-allowed;
    opacity: 0.62;
}

.nav-dropdown-icon {
    font-size: 1.1rem;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
}

.nav-dropdown-section {
    padding: 6px 14px 2px;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #a0aec0;
}

/* Mobile dropdown */
@media (max-width: 991px) {
    .nav-main {
        gap: 0;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }

    .nav-main .nav-item {
        width: 100%;
    }

    .nav-main .nav-link {
        width: 100%;
        text-align: left;
    }

    .nav-dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 12px;
        background: rgba(88, 204, 2, 0.04);
        padding: 4px 8px;
        min-width: auto;
        margin-left: 16px;
        display: none;
    }

    .nav-dropdown.open .nav-dropdown-menu {
        display: block;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .soft-navbar .nav-link {
        padding: 10px 12px;
    }

    /* Ensure toggler is visible and properly styled */
    .navbar-toggler {
        border: 1px solid rgba(0, 0, 0, 0.1);
        padding: 6px 10px;
    }

    .navbar-toggler:focus {
        box-shadow: 0 0 0 3px rgba(109, 190, 69, 0.25);
    }

    /* Collapse menu full width */
    #mainNavbar {
        width: 100%;
    }

    .navbar-collapse {
        padding: 0.5rem 0;
    }

    /* Right side buttons stack on mobile */
    .soft-navbar .d-flex.gap-2,
    .soft-navbar .d-flex.align-items-center.gap-3 {
        justify-content: center;
        padding-top: 0.5rem;
        border-top: 1px solid rgba(0, 0, 0, 0.06);
        margin-top: 0.5rem;
    }
}

.shadow-soft-sm {
    box-shadow: 0 10px 24px rgba(88, 204, 2, 0.2);
}

.soft-footer {
    padding: 34px 0;
    background: var(--bg-footer, rgba(255, 255, 255, 0.72));
    border-top: 1px solid var(--border-soft, rgba(0, 0, 0, 0.04));
    backdrop-filter: blur(14px);
}

/* Navbar User Info */
.navbar-xp-badge {
    background: var(--mint);
    color: var(--green-dark);
    padding: 6px 14px;
    border-radius: 999px;
    font-weight: 900;
    font-size: 0.85rem;
}

.navbar-streak-badge {
    background: #fff7ed;
    color: #ea580c;
    padding: 6px 12px;
    border-radius: 999px;
    font-weight: 900;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.navbar-streak-badge.is-active {
    box-shadow: 0 0 10px rgba(234, 88, 12, 0.25);
    border: 1px solid rgba(234, 88, 12, 0.2);
}

.navbar-streak-badge.is-active:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(234, 88, 12, 0.45);
}

.navbar-bloomed-badge {
    background: #fff1f2;
    color: #e11d48;
    padding: 6px 12px;
    border-radius: 999px;
    font-weight: 900;
    font-size: 0.85rem;
}

.navbar-user-btn {
    background: rgba(255, 255, 255, 0.8);
    border: 2px solid #edf2f7;
    border-radius: 999px;
    padding: 6px 16px 6px 6px;
    font-weight: 800;
    color: var(--text);
    transition: all 0.2s ease;
}

.navbar-user-btn:hover {
    border-color: var(--green);
    background: var(--mint);
}

.navbar-user-btn::after {
    margin-left: 8px;
}

.navbar-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--green);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.navbar-username {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.9rem;
}

.user-menu-wrapper {
    position: relative;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 1100;
    background: var(--bg-dropdown, #ffffff);
    border: 1px solid var(--border-soft, rgba(0, 0, 0, 0.08));
    border-radius: 16px;
    box-shadow: 0 20px 60px var(--shadow-lg, rgba(36, 48, 68, 0.18));
    padding: 8px;
    min-width: 240px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    pointer-events: none;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.user-menu-arrow {
    transition: transform 0.2s ease;
    color: var(--muted);
}

.user-menu-wrapper.open .user-menu-arrow {
    transform: rotate(180deg);
}

.dropdown-user-info {
    padding: 10px 14px;
}

.user-dropdown .dropdown-item {
    border-radius: 12px;
    padding: 10px 14px;
    font-weight: 700;
    color: var(--text-main, var(--text));
    transition: background 0.15s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.user-dropdown .dropdown-item:hover {
    background: var(--accent-green-bg, var(--mint));
    color: var(--accent-green, var(--green-dark));
}

.dropdown-icon {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.dropdown-item-logout {
    color: #ef4444 !important;
}

.dropdown-item-logout:hover {
    background: #fef2f2 !important;
    color: #ef4444 !important;
}

@media (max-width: 991px) {
    .navbar-xp-badge,
    .navbar-streak-badge,
    .navbar-bloomed-badge {
        display: none !important;
    }

    .navbar-username {
        display: inline !important;
    }

    .user-dropdown {
        min-width: 220px;
        right: -8px;
    }
}

@media (max-width: 576px) {
    .user-dropdown {
        min-width: 200px;
        right: -4px;
    }
}

/* ===== Listening script & audio improvements ===== */
.transcript-line {
    background: rgba(255, 255, 255, 0.4);
    border-left: 4px solid transparent;
    transition: all 0.2s ease-in-out;
}

.transcript-line:hover {
    background: rgba(255, 255, 255, 0.95) !important;
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.active-transcript-line {
    background: #edf9e5 !important;
    border-left-color: var(--green) !important;
    box-shadow: 0 4px 12px rgba(109, 190, 69, 0.1);
}

/* Floating Submit Button */
.floating-submit-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    padding: 12px 24px;
    border-radius: 50px !important;
    background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
    color: white !important;
    font-weight: 800;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 24px rgba(109, 190, 69, 0.4);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    text-decoration: none;
}

/* ================================================================
   MESSENGER POPUP — Facebook-style from Navbar
   ================================================================ */
.messenger-popup {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: -10px;
    width: 400px;
    height: 500px;
    background: var(--bg-card, #ffffff);
    border: 1px solid var(--border-soft, rgba(255, 182, 193, 0.18));
    border-radius: 16px;
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.12),
        0 2px 8px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    z-index: 1000;
    animation: messengerIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    flex-direction: column;
}

.messenger-popup.open {
    display: flex;
}

@keyframes messengerIn {
    from {
        opacity: 0;
        transform: translateY(-8px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Views */
.messenger-view {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

/* Header */
.messenger-popup-header {
    padding: 16px 18px 10px;
    border-bottom: 1px solid var(--border-soft, rgba(255, 182, 193, 0.1));
    flex-shrink: 0;
}

.messenger-popup-header h6 {
    font-size: 1rem;
    letter-spacing: -0.3px;
    color: var(--text-main, #1e293b);
}

/* Search */
.messenger-popup-search {
    padding: 10px 14px;
    flex-shrink: 0;
}

.messenger-search-input {
    width: 100%;
    border: none;
    border-radius: 10px;
    padding: 8px 12px 8px 34px;
    font-size: 0.82rem;
    font-family: 'Nunito', sans-serif;
    background: var(--input-bg, rgba(0, 0, 0, 0.05));
    color: var(--input-text, #1e293b);
    outline: none;
    transition: all 0.2s ease;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 12px center;
    background-size: 14px;
}

.messenger-search-input:focus {
    background-color: var(--bg-card-hover, rgba(0, 0, 0, 0.08));
    box-shadow: 0 0 0 2px rgba(244, 63, 94, 0.1);
}

.messenger-search-input::placeholder {
    color: var(--text-disabled, #94a3b8);
    font-size: 0.8rem;
}

/* Conversation list body */
.messenger-popup-body {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0;
}

.messenger-popup-body::-webkit-scrollbar {
    width: 4px;
}

.messenger-popup-body::-webkit-scrollbar-thumb {
    background: rgba(244, 63, 94, 0.12);
    border-radius: 99px;
}

/* Conversation item */
.messenger-conv-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    color: var(--text-main, #1e293b);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-family: 'Nunito', sans-serif;
}

.messenger-conv-item:hover {
    background: var(--accent-sakura-soft, rgba(244, 63, 127, 0.06));
}

.messenger-conv-item:active {
    background: var(--accent-sakura-soft, rgba(244, 63, 127, 0.1));
}

.messenger-conv-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #fce4ec, #f8bbd0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: var(--accent-sakura, #e11d48);
    font-size: 1rem;
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
    box-shadow: 0 2px 8px rgba(244, 63, 94, 0.1);
}

.messenger-conv-avatar span {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.messenger-conv-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    position: relative;
    z-index: 2;
}

.messenger-conv-info {
    flex: 1;
    min-width: 0;
}

.messenger-conv-name {
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--text-main, #1e293b);
    margin-bottom: 1px;
}

.messenger-conv-preview {
    font-size: 0.78rem;
    color: var(--text-muted, #64748b);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.messenger-conv-time {
    font-size: 0.65rem;
    color: var(--text-disabled, #94a3b8);
    flex-shrink: 0;
    align-self: flex-start;
    padding-top: 2px;
}

.messenger-conv-unread {
    background: linear-gradient(135deg, #f43f5e, #e11d48);
    color: white;
    font-size: 0.6rem;
    font-weight: 800;
    padding: 1px 6px;
    border-radius: 99px;
    min-width: 18px;
    text-align: center;
    line-height: 1.4;
    box-shadow: 0 2px 6px rgba(244, 63, 94, 0.2);
}

.messenger-empty {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-muted, #64748b);
    font-size: 0.85rem;
}

/* ================================================================
   MESSENGER CHAT VIEW (inside popup)
   ================================================================ */
.messenger-chat-view {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.messenger-chat-top {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-soft, rgba(0, 0, 0, 0.06));
    flex-shrink: 0;
    background: var(--bg-card, rgba(255, 255, 255, 0.8));
    backdrop-filter: blur(8px);
}

.messenger-back-btn {
    background: none;
    border: none;
    color: var(--text-muted, #64748b);
    font-size: 1.2rem;
    padding: 2px 6px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
    line-height: 1;
}

.messenger-back-btn:hover {
    background: var(--accent-sakura-soft, rgba(244, 63, 127, 0.08));
    color: var(--accent-sakura, #f43f5e);
}

.messenger-chat-top-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.messenger-chat-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #fce4ec, #f8bbd0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: var(--accent-sakura, #e11d48);
    font-size: 0.7rem;
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
}

.messenger-chat-name {
    font-size: 0.88rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Messages container */
.messenger-messages {
    flex: 1;
    overflow-y: auto;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: var(--bg-page, rgba(248, 250, 252, 0.3));
}

.messenger-messages::-webkit-scrollbar {
    width: 4px;
}

.messenger-messages::-webkit-scrollbar-thumb {
    background: rgba(244, 63, 94, 0.1);
    border-radius: 99px;
}

/* Input area */
.messenger-input-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    border-top: 1px solid var(--border-soft, rgba(0, 0, 0, 0.06));
    flex-shrink: 0;
    background: var(--bg-card, #ffffff);
}

.messenger-input {
    flex: 1;
    border: 1.5px solid var(--border-soft, rgba(255, 182, 193, 0.2));
    border-radius: 24px;
    padding: 8px 14px;
    font-size: 0.85rem;
    font-family: 'Nunito', sans-serif;
    outline: none;
    background: var(--input-bg, rgba(0, 0, 0, 0.03));
    color: var(--input-text, #1e293b);
    transition: all 0.2s ease;
}

.messenger-input:focus {
    border-color: var(--accent-sakura, #f43f5e);
    box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.06);
}

.messenger-input::placeholder {
    color: var(--text-disabled, #94a3b8);
    font-size: 0.82rem;
}

.messenger-send-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #f43f5e, #e11d48);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(244, 63, 94, 0.2);
}

.messenger-send-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 12px rgba(244, 63, 94, 0.3);
}

.messenger-send-btn:active {
    transform: scale(0.95);
}

.messenger-messages {
    display: flex;
    flex-direction: column;
    width: 100%;
}

/* Messenger bubble (compact for popup) */
.messenger-bubble-wrapper {
    display: flex;
    width: 100%;
    animation: msgIn 0.2s ease;
}

@keyframes msgIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.messenger-bubble-wrapper.mine {
    display: flex !important;
    justify-content: flex-end !important;
    margin-left: auto !important;
    width: 100% !important;
}

.messenger-bubble-wrapper.theirs {
    display: flex !important;
    justify-content: flex-start !important;
    margin-right: auto !important;
    width: 100% !important;
}

.messenger-bubble {
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 0.82rem;
    line-height: 1.4;
    word-wrap: break-word;
    max-width: 100%;
    position: relative;
}

.messenger-bubble.mine {
    background: linear-gradient(135deg, #f43f5e, #e11d48);
    color: white;
    border-bottom-right-radius: 4px;
    box-shadow: 0 1px 4px rgba(244, 63, 94, 0.15);
}

.messenger-bubble.theirs {
    background: #ffffff;
    color: var(--text-main, #1e293b);
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.messenger-bubble-time {
    font-size: 0.58rem;
    color: rgba(0, 0, 0, 0.35);
    text-align: right;
    margin-top: 2px;
}

.messenger-bubble.mine .messenger-bubble-time {
    color: rgba(255, 255, 255, 0.6);
}

/* Date separator in popup */
.messenger-date-sep {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 8px 0;
    gap: 8px;
}

.messenger-date-sep::before,
.messenger-date-sep::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-soft, rgba(0, 0, 0, 0.04));
}

.messenger-date-label {
    font-size: 0.62rem;
    font-weight: 700;
    color: var(--text-disabled, #94a3b8);
    padding: 2px 10px;
    border-radius: 99px;
    background: var(--bg-card-hover, #f1f5f9);
    white-space: nowrap;
    border: 1px solid var(--border-soft, rgba(0, 0, 0, 0.03));
}

/* Mobile: full-screen popup */
@media (max-width: 575.98px) {
    .messenger-popup {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100%;
        border-radius: 0;
        border: none;
        box-shadow: none;
        animation: none;
    }
}

[data-theme="dark"] .messenger-popup {
    background: var(--bg-card, #1e293b);
    border-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .messenger-bubble.theirs {
    background: var(--bg-card-hover, #334155);
    border-color: rgba(255, 255, 255, 0.04);
    color: var(--text-main, #e2e8f0);
}

[data-theme="dark"] .messenger-input {
    background: var(--bg-card-hover, rgba(255, 255, 255, 0.05));
    color: var(--text-main, #e2e8f0);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .messenger-chat-top {
    background: var(--bg-card, #1e293b);
    border-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .messenger-messages {
    background: var(--bg-page, #0f172a);
}

.floating-submit-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(109, 190, 69, 0.55);
}

.floating-submit-btn:active {
    transform: translateY(-1px) scale(0.98);
}

/* AI Analysis Card UI */
.ai-analysis-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 28px;
    border: 2px solid transparent;
    background-image: linear-gradient(white, white), linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    box-shadow: 0 15px 40px rgba(168, 85, 247, 0.12);
    transition: all 0.3s ease;
}

.ai-analysis-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(168, 85, 247, 0.2);
}

.ai-header-badge {
    background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    color: white;
    font-weight: 800;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 0.85rem;
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
}

/* ===== Custom Confirm Modal ===== */
.custom-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    animation: modalFadeIn 0.25s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes modalFadeIn {
    to { opacity: 1; }
}

.custom-modal-card {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 24px 64px rgba(15, 23, 42, 0.18);
    border-radius: 28px;
    padding: 36px 32px;
    max-width: 440px;
    width: 90%;
    transform: translateY(20px) scale(0.95);
    animation: cardZoomIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes cardZoomIn {
    to {
        transform: translateY(0) scale(1);
    }
}

.custom-modal-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(168, 85, 247, 0.1);
    margin-bottom: 16px;
    animation: pulseIcon 2s infinite;
}

@keyframes pulseIcon {
    0% {
        box-shadow: 0 0 0 0 rgba(168, 85, 247, 0.4);
    }
    70% {
        box-shadow: 0 0 0 12px rgba(168, 85, 247, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(168, 85, 247, 0);
    }
}

.custom-modal-icon-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.1);
    margin-bottom: 16px;
    animation: pulseIconDanger 2s infinite;
}

@keyframes pulseIconDanger {
    0% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
    }
    70% {
        box-shadow: 0 0 0 12px rgba(239, 68, 68, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }
}

@keyframes pulseIconWarning {
    0% {
        box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4);
    }
    70% {
        box-shadow: 0 0 0 12px rgba(245, 158, 11, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(245, 158, 11, 0);
    }
}


/* ===== Soft Global Animations & Smooth Transitions ===== */
html {
    scroll-behavior: smooth;
}

/* Global focus and hover ease-in-out curves */
.btn, .nav-link, a, input, select, textarea, .jlpt-level-card, .jlpt-section-card, .jlpt-score-card, .progress-bar, .action-card, .vocab-card, .grammar-card, .grammar-lesson-card, .kanji-card, .quiz-result-item {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* Slide Up Fade In effect for lists/cards when loaded */
.animate-fade-in {
    opacity: 0;
    animation: softFadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Delay modifiers for sequential child animation */
.animate-delay-1 { animation-delay: 0.08s; }
.animate-delay-2 { animation-delay: 0.16s; }
.animate-delay-3 { animation-delay: 0.24s; }
.animate-delay-4 { animation-delay: 0.32s; }
.animate-delay-5 { animation-delay: 0.4s; }
.animate-delay-6 { animation-delay: 0.48s; }
.animate-delay-7 { animation-delay: 0.56s; }
.animate-delay-8 { animation-delay: 0.64s; }

@keyframes softFadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Global Furigana (ruby/rt) Styling */
ruby {
    ruby-position: over;
}

rt {
    font-size: 0.55em;
    color: #64748b;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding-bottom: 2px;
    user-select: none;
}

/* ================================================================
   GLOBAL RESPONSIVE DESIGN SYSTEM
   Nihongo AI Coach — Soft Japanese Theme
   Breakpoints: 576px (sm), 768px (md), 992px (lg), 1200px (xl), 1400px (xxl)
   ================================================================ */

/* --- Responsive Typography --- */
h1, .h1 { font-size: clamp(1.8rem, 4vw + 0.5rem, 2.8rem); }
h2, .h2 { font-size: clamp(1.5rem, 3vw + 0.3rem, 2.2rem); }
h3, .h3 { font-size: clamp(1.2rem, 2vw + 0.3rem, 1.6rem); }
h4, .h4 { font-size: clamp(1.05rem, 1.5vw + 0.3rem, 1.35rem); }

body {
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
}

/* --- Mobile Defaults --- */
img, video, iframe, embed, object {
    max-width: 100%;
    height: auto;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="number"],
textarea,
select {
    width: 100%;
    min-width: 0;
}

table {
    width: 100%;
}

/* --- Safe Overflow Helper --- */
.safe-overflow {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* --- Scroll Pills (horizontal scroll for filter/tab bars) --- */
.scroll-pills {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
    flex-wrap: nowrap;
}

.scroll-pills::-webkit-scrollbar {
    display: none;
}

.scroll-pills > * {
    flex-shrink: 0;
}

/* --- Auto Grid (CSS Grid, responsive without media queries) --- */
.auto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
    gap: 1.25rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

/* --- Responsive Card --- */
.responsive-card {
    background: var(--bg-card, rgba(255, 255, 255, 0.88));
    border-radius: 24px;
    padding: 1.5rem;
    box-shadow: var(--shadow-card, 0 14px 40px rgba(36, 48, 68, 0.08));
    border: 1px solid var(--border-soft, rgba(255, 255, 255, 0.8));
}

/* --- Filter Bar --- */
.filter-bar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.filter-bar > input,
.filter-bar > select {
    flex: 1 1 200px;
    min-width: 0;
}

/* --- Section Shell --- */
.section-shell {
    padding: 3rem 0;
}

/* --- Page Shell --- */
.page-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* --- Mobile Stack (2-col → 1-col on mobile) --- */
.mobile-stack {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

/* --- Table Responsive Soft --- */
.table-responsive-soft {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.table-responsive-soft table {
    min-width: 600px;
}

/* --- Hide/Show Mobile --- */
.hide-mobile {
    display: initial;
}

.show-mobile {
    display: none !important;
}

/* ================================================================
   RESPONSIVE BREAKPOINTS
   ================================================================ */

/* --- Tablet & Below (max-width: 991px) --- */
@media (max-width: 991px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .mobile-stack {
        grid-template-columns: 1fr;
    }

    .section-shell {
        padding: 2rem 0;
    }

    .hide-mobile {
        display: none !important;
    }

    .show-mobile {
        display: initial !important;
    }
}

/* --- Mobile (max-width: 767px) --- */
@media (max-width: 767px) {
    body {
        padding-top: 56px;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .auto-grid {
        grid-template-columns: 1fr;
    }

    .page-shell {
        padding: 0 0.75rem;
    }

    .section-shell {
        padding: 1.5rem 0;
    }

    .hero-section {
        padding: 36px 0 40px;
    }

    .feature-section {
        padding: 40px 0 60px;
    }

    .responsive-card {
        padding: 1.25rem;
        border-radius: 20px;
    }

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-bar > input,
    .filter-bar > select {
        flex: 1 1 auto;
    }

    /* Container padding */
    .container {
        padding-left: 12px;
        padding-right: 12px;
    }

    /* Floating submit button safe area */
    .floating-submit-btn {
        bottom: 16px;
        right: 16px;
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* --- Small Mobile (max-width: 430px) --- */
@media (max-width: 430px) {
    .hero-title {
        font-size: 1.6rem;
        letter-spacing: -0.5px;
    }

    .hero-desc {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .feature-card {
        padding: 22px;
        border-radius: 20px;
    }

    .feature-icon {
        width: 48px;
        height: 48px;
        font-size: 1.4rem;
        border-radius: 16px;
    }

    /* Buttons full-width on small mobile */
    .btn-block-mobile {
        width: 100%;
    }
}

/* Fix Bootstrap collapse conflict with Tailwind CSS */
.collapse {
    visibility: visible !important;
}

/* ══════════════════════════════════════════════════════════════════════════
   EXPLICIT LIGHT & DARK MODE OVERRIDES (HEADER NAVBAR & CONTROLS)
   ══════════════════════════════════════════════════════════════════════════ */

/* ─── LIGHT MODE ─── */
[data-theme="light"] .soft-navbar,
:root:not([data-theme="dark"]) .soft-navbar {
    background: rgba(255, 255, 255, 0.96) !important;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08) !important;
    box-shadow: 0 2px 16px rgba(15, 23, 42, 0.05) !important;
}

[data-theme="light"] .soft-navbar .navbar-brand,
:root:not([data-theme="dark"]) .soft-navbar .navbar-brand {
    color: #0f172a !important;
}

[data-theme="light"] .soft-navbar .nav-link,
:root:not([data-theme="dark"]) .soft-navbar .nav-link {
    color: #334155 !important;
    opacity: 1 !important;
}

[data-theme="light"] .soft-navbar .nav-link .nav-arrow,
:root:not([data-theme="dark"]) .soft-navbar .nav-link .nav-arrow {
    stroke: #475569 !important;
}

[data-theme="light"] .soft-navbar .nav-link:hover,
:root:not([data-theme="dark"]) .soft-navbar .nav-link:hover,
[data-theme="light"] .soft-navbar .nav-link.active,
:root:not([data-theme="dark"]) .soft-navbar .nav-link.active {
    color: #059669 !important;
}

[data-theme="light"] .theme-toggle-button,
:root:not([data-theme="dark"]) .theme-toggle-button,
[data-theme="light"] .notification-button,
:root:not([data-theme="dark"]) .notification-button,
[data-theme="light"] .profile-menu,
:root:not([data-theme="dark"]) .profile-menu {
    background: #f8fafc !important;
    border: 1px solid rgba(15, 23, 42, 0.14) !important;
    color: #334155 !important;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.04) !important;
}

[data-theme="light"] .theme-toggle-button:hover,
:root:not([data-theme="dark"]) .theme-toggle-button:hover,
[data-theme="light"] .notification-button:hover,
:root:not([data-theme="dark"]) .notification-button:hover,
[data-theme="light"] .profile-menu:hover,
:root:not([data-theme="dark"]) .profile-menu:hover {
    background: #f1f5f9 !important;
    border-color: rgba(15, 23, 42, 0.22) !important;
    color: #059669 !important;
}

[data-theme="light"] .navbar-username,
:root:not([data-theme="dark"]) .navbar-username {
    color: #0f172a !important;
}

[data-theme="light"] .user-menu-arrow,
:root:not([data-theme="dark"]) .user-menu-arrow {
    stroke: #475569 !important;
}

[data-theme="light"] .streak-pill,
:root:not([data-theme="dark"]) .streak-pill {
    background: #fff7ed !important;
    border: 1px solid #fed7aa !important;
    color: #c2410c !important;
}

[data-theme="light"] .nav-dropdown-menu,
:root:not([data-theme="dark"]) .nav-dropdown-menu,
[data-theme="light"] .user-dropdown,
:root:not([data-theme="dark"]) .user-dropdown,
[data-theme="light"] .messenger-popup,
:root:not([data-theme="dark"]) .messenger-popup {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12) !important;
    color: #0f172a !important;
}

[data-theme="light"] .nav-dropdown-section,
:root:not([data-theme="dark"]) .nav-dropdown-section {
    color: #64748b !important;
    font-weight: 700 !important;
}

[data-theme="light"] .nav-dropdown-item,
:root:not([data-theme="dark"]) .nav-dropdown-item,
[data-theme="light"] .dropdown-item,
:root:not([data-theme="dark"]) .dropdown-item {
    color: #0f172a !important;
}

[data-theme="light"] .nav-dropdown-item:hover,
:root:not([data-theme="dark"]) .nav-dropdown-item:hover,
[data-theme="light"] .dropdown-item:hover,
:root:not([data-theme="dark"]) .dropdown-item:hover {
    background: #ecfdf5 !important;
    color: #059669 !important;
}

[data-theme="light"] .messenger-search-input,
:root:not([data-theme="dark"]) .messenger-search-input {
    background: #f1f5f9 !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
    color: #0f172a !important;
}

[data-theme="light"] .messenger-chat-top,
:root:not([data-theme="dark"]) .messenger-chat-top,
[data-theme="light"] .messenger-input-wrap,
:root:not([data-theme="dark"]) .messenger-input-wrap {
    border-color: rgba(15, 23, 42, 0.08) !important;
}

/* ─── DARK MODE ─── */
[data-theme="dark"] .soft-navbar,
html.dark .soft-navbar {
    background: rgba(15, 23, 42, 0.95) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.4) !important;
}

[data-theme="dark"] .soft-navbar .navbar-brand,
html.dark .soft-navbar .navbar-brand {
    color: #f8fafc !important;
}

[data-theme="dark"] .soft-navbar .nav-link,
html.dark .soft-navbar .nav-link {
    color: #cbd5e1 !important;
    opacity: 1 !important;
}

[data-theme="dark"] .soft-navbar .nav-link .nav-arrow,
html.dark .soft-navbar .nav-link .nav-arrow {
    stroke: #cbd5e1 !important;
}

[data-theme="dark"] .soft-navbar .nav-link:hover,
html.dark .soft-navbar .nav-link:hover,
[data-theme="dark"] .soft-navbar .nav-link.active,
html.dark .soft-navbar .nav-link.active {
    color: #34d399 !important;
}

[data-theme="dark"] .theme-toggle-button,
html.dark .theme-toggle-button,
[data-theme="dark"] .notification-button,
html.dark .notification-button,
[data-theme="dark"] .profile-menu,
html.dark .profile-menu {
    background: #1e293b !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    color: #f8fafc !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .theme-toggle-button:hover,
html.dark .theme-toggle-button:hover,
[data-theme="dark"] .notification-button:hover,
html.dark .notification-button:hover,
[data-theme="dark"] .profile-menu:hover,
html.dark .profile-menu:hover {
    background: #334155 !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
    color: #38bdf8 !important;
}

[data-theme="dark"] .navbar-username,
html.dark .navbar-username {
    color: #f8fafc !important;
}

[data-theme="dark"] .user-menu-arrow,
html.dark .user-menu-arrow {
    stroke: #cbd5e1 !important;
}

[data-theme="dark"] .streak-pill,
html.dark .streak-pill {
    background: rgba(251, 146, 60, 0.15) !important;
    border: 1px solid rgba(251, 146, 60, 0.35) !important;
    color: #ffbe7b !important;
}

[data-theme="dark"] .nav-dropdown-menu,
html.dark .nav-dropdown-menu,
[data-theme="dark"] .user-dropdown,
html.dark .user-dropdown,
[data-theme="dark"] .messenger-popup,
html.dark .messenger-popup {
    background: #1e293b !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5) !important;
    color: #f8fafc !important;
}

[data-theme="dark"] .nav-dropdown-section,
html.dark .nav-dropdown-section {
    color: #94a3b8 !important;
    font-weight: 700 !important;
}

[data-theme="dark"] .nav-dropdown-item,
html.dark .nav-dropdown-item,
[data-theme="dark"] .dropdown-item,
html.dark .dropdown-item {
    color: #f8fafc !important;
}

[data-theme="dark"] .nav-dropdown-item:hover,
html.dark .nav-dropdown-item:hover,
[data-theme="dark"] .dropdown-item:hover,
html.dark .dropdown-item:hover {
    background: rgba(16, 185, 129, 0.2) !important;
    color: #34d399 !important;
}

[data-theme="dark"] .messenger-search-input,
html.dark .messenger-search-input {
    background: #0f172a !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    color: #f8fafc !important;
}

[data-theme="dark"] .messenger-chat-top,
html.dark .messenger-chat-top,
[data-theme="dark"] .messenger-input-wrap,
html.dark .messenger-input-wrap {
    border-color: rgba(255, 255, 255, 0.1) !important;
}

[data-theme="dark"] .navbar-toggler,
html.dark .navbar-toggler {
    color: #f8fafc !important;
}