:root {
    --brand-deep: #7A1C1C;
    --brand-main: #C62828;
    --brand-gold: #FFB300;
    --brand-light-gold: #FFE082;
    --bg-gradient: linear-gradient(135deg, #FFFDF9 0%, #FFF5E5 100%);
    --surface-glass: rgba(255, 255, 255, 0.85);
    --surface-card: #ffffff;
    --border-subtle: rgba(122, 28, 28, 0.12);
    --text-main: #2D2222;
    --text-muted: #615555;
    --tag-bg: #F5F0EB;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --nav-height: 70px;
}

.dark-theme {
    --bg-gradient: linear-gradient(135deg, #120C0C 0%, #1A1111 100%);
    --surface-glass: rgba(26, 17, 17, 0.85);
    --surface-card: #211515;
    --border-subtle: rgba(255, 179, 0, 0.15);
    --text-main: #F5F0EB;
    --text-muted: #BFAFAF;
    --tag-bg: #332121;
    --brand-deep: #FFC107;
    --brand-light-gold: #3D2C00;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    -webkit-font-smoothing: antialiased;
}

body {
    display: flex;
    flex-direction: column;
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    color: var(--text-main);
    background: var(--bg-gradient);
    line-height: 1.6;
    padding-top: var(--nav-height);
    transition: background 0.5s ease, color 0.5s ease;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 0 2rem;
    padding-left: max(1.5rem, env(safe-area-inset-left));
    padding-right: max(1.5rem, env(safe-area-inset-right));
    padding-top: env(safe-area-inset-top);
    border-bottom: 1px solid var(--border-subtle);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    min-height: var(--nav-height);
    z-index: 10000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    gap: 16px;
}

nav .logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--brand-deep);
    display: flex;
    align-items: center;
    gap: 8px;
    user-select: none;
    white-space: nowrap;
    text-decoration: none;
    flex-shrink: 0;
}

#nav-links {
    display: flex;
    list-style: none;
    gap: 6px;
    align-items: center;
}

#nav-links li {
    flex-shrink: 0;
}

#nav-links li a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--text-muted);
    white-space: nowrap;
    transition: var(--transition-fast);
}

#nav-links li a:hover {
    background: var(--brand-light-gold);
    color: var(--brand-deep);
    transform: translateY(-1px);
}

#nav-links li a.active {
    background: var(--brand-main);
    color: #ffffff !important;
    box-shadow: 0 6px 18px rgba(198, 40, 40, 0.25);
}

#nav-links li a.active i {
    color: #ffffff !important;
}

.dropdown {
    position: relative;
    padding-bottom: 8px;
    margin-bottom: -8px;
}

.dropdown-menu {
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--surface-card);
    list-style: none;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
    min-width: 190px;
    padding: 8px;
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    pointer-events: none;
}

.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu,
.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.dropdown-menu li {
    width: 100%;
}

.dropdown-menu li a {
    padding: 10px 14px !important;
    border-radius: 10px !important;
    font-size: 0.88rem !important;
    width: 100%;
    justify-content: flex-start !important;
    box-shadow: none !important;
}

.nav-controls {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-shrink: 0;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.4rem;
    color: var(--brand-main);
    padding: 4px;
    transition: var(--transition-fast);
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

.search-wrapper {
    position: relative;
    width: 100%;
    max-width: 240px;
    margin: 0;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

#searchInput {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    padding: 8px 14px;
    border-radius: 12px;
    border: 1.5px solid var(--border-subtle);
    background: var(--surface-card);
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition-fast);
}

#searchInput:focus {
    border-color: var(--brand-main);
    box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.12);
}

#suggestions {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    width: 100%;
    background: var(--surface-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    max-height: 220px;
    overflow-y: auto;
    z-index: 99999;
    display: none;
    overscroll-behavior: contain;
}

main {
    flex: 1 0 auto;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px;
}

iframe#appFrame {
    width: 100%;
    max-width: 1200px;
    height: 80vh;
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    background: var(--surface-card);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    display: block;
}

footer {
    position: relative;
    flex-shrink: 0;
    background: var(--surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    padding: 12px 45px 12px 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
    z-index: 1000;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

footer.collapsed {
    padding: 6px 20px;
}

footer.collapsed .footer-content {
    display: none;
}

footer p {
    margin: 4px 0;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

footer i.footer-icon {
    color: var(--brand-main);
}

.toggle-footer-btn {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    background: var(--surface-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition-fast);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.toggle-footer-btn:hover {
    color: var(--brand-main);
    border-color: var(--brand-main);
    transform: translateY(-50%) scale(1.1);
}

footer.collapsed .toggle-footer-btn {
    position: relative;
    top: 0;
    right: 0;
    transform: none;
    margin: 0 auto;
}

footer.collapsed .toggle-footer-btn:hover {
    transform: scale(1.1);
}

.fa-heart {
    color: var(--brand-main);
}

@media (max-width: 1024px) and (min-width: 869px) {
    nav {
        padding: 0 1rem;
    }
    #nav-links {
        gap: 2px;
    }
    #nav-links li a {
        padding: 6px 10px;
        font-size: 0.82rem;
    }
    .search-wrapper {
        max-width: 160px;
    }
}

@media (max-width: 868px) {
    nav {
        padding: 0.8rem 1.2rem;
        gap: 10px;
    }

    nav .logo {
        font-size: 1.1rem;
    }

    .search-wrapper {
        max-width: 180px;
        margin: 0;
    }

    #searchInput {
        padding: 8px 12px;
        font-size: 0.82rem;
        border-radius: 10px;
    }

    .hamburger {
        display: flex;
    }

    #nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        height: calc(100dvh - var(--nav-height));
        background: var(--surface-card);
        padding: 24px 20px 40px;
        gap: 12px;
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        z-index: 99999;
        border-top: 1px solid var(--border-subtle);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-10px);
        transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    }

    #nav-links.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    #nav-links li {
        width: 100%;
    }

    #nav-links li a {
        font-size: 1.05rem;
        padding: 14px 20px;
        width: 100%;
        justify-content: flex-start;
        border-radius: 12px;
        min-height: 48px;
    }

    .dropdown {
        padding-bottom: 0;
        margin-bottom: 0;
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: 1px solid var(--border-subtle);
        background: var(--tag-bg);
        border-radius: 12px;
        padding: 6px;
        margin-top: 6px;
        margin-left: 12px;
        width: calc(100% - 12px);
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        pointer-events: auto;
    }

    .dropdown.open .dropdown-menu {
        display: flex;
    }

    .dropdown-menu li a {
        font-size: 0.95rem !important;
        padding: 12px 16px !important;
        min-height: 44px;
    }

    footer {
        padding: 10px 40px 10px 15px;
        font-size: 0.78rem;
    }

    footer p {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    nav .logo {
        font-size: 0.95rem;
    }

    .search-wrapper {
        max-width: 140px;
    }

    #searchInput {
        padding: 6px 10px;
        font-size: 0.78rem;
    }

    main {
        padding: 12px;
    }

    iframe#appFrame {
        height: 75vh;
    }
}