/* =============================================
   MovieFinder – Premium Stylesheet
   ============================================= */

/* ---------- design tokens ---------- */
:root {
    --bg-body: #07070e;
    --bg-surface: #0f0f1a;
    --bg-card: #141425;
    --bg-elevated: #1a1a30;
    --bg-input: #12122a;
    --glass-bg: rgba(20, 20, 45, 0.6);
    --glass-border: rgba(255,255,255,0.07);
    --text-1: #f0f0f8;
    --text-2: #a0a0be;
    --text-3: #606080;
    --accent-1: #7c6aef;
    --accent-2: #00d2d3;
    --accent-gradient: linear-gradient(135deg, #7c6aef, #00d2d3);
    --danger: #ff6b6b;
    --gold: #fbbf24;
    --glow-accent: rgba(124,106,239,0.35);
    --border: rgba(255,255,255,0.06);
    --radius: 14px;
    --radius-sm: 10px;
    --radius-xs: 6px;
}

[data-theme="light"] {
    --bg-body: #f4f5fa;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --bg-elevated: #f0f1f6;
    --bg-input: #eeeef6;
    --glass-bg: rgba(255,255,255,0.7);
    --glass-border: rgba(0,0,0,0.06);
    --text-1: #18182a;
    --text-2: #555572;
    --text-3: #8888a0;
    --glow-accent: rgba(124,106,239,0.15);
    --border: rgba(0,0,0,0.06);
}

/* ---------- reset ---------- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-body);
    color: var(--text-1);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background .4s, color .4s;
}

a { color: var(--accent-1); text-decoration: none; }
a:hover { color: var(--accent-2); }

/* ---------- animated background ---------- */
#bg-particles {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

#bg-particles .particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0;
    animation: floatParticle 18s infinite ease-in-out;
}

@keyframes floatParticle {
    0%   { opacity:0; transform: translateY(100vh) scale(0); }
    10%  { opacity:1; }
    90%  { opacity:1; }
    100% { opacity:0; transform: translateY(-20vh) scale(1); }
}

/* ---------- header ---------- */
#site-header {
    position: relative;
    z-index: 10;
    background: linear-gradient(-45deg, #0f0c29, #302b63, #24243e, #1a0533);
    background-size: 300% 300%;
    animation: gradMove 10s ease infinite;
    padding: 32px 28px 24px;
    border-bottom: 1px solid var(--border);
}

#site-header::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: var(--accent-gradient);
    opacity: .5;
}

[data-theme="light"] #site-header {
    background: linear-gradient(-45deg, #a29bfe, #6c5ce7, #74b9ff, #a29bfe);
    background-size: 300% 300%;
}

@keyframes gradMove {
    0%{background-position:0% 50%}
    50%{background-position:100% 50%}
    100%{background-position:0% 50%}
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#logo {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -.5px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.logo-icon { font-size: 1.6rem; }
.tagline { font-size: .8rem; color: rgba(255,255,255,.5); margin-top: 2px; }

#theme-toggle {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.15);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .25s;
    backdrop-filter: blur(6px);
}
#theme-toggle:hover { background: rgba(255,255,255,.2); transform: rotate(20deg) scale(1.1); }
.theme-svg { display: block; }

/* ---------- search ---------- */
#search-section {
    position: relative;
    z-index: 10;
    padding: 36px 20px 20px;
}

.search-box {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    padding: 20px 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: 0 8px 32px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.05);
}

.search-input-wrapper {
    position: relative;
    flex: 1 1 300px;
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-3);
    pointer-events: none;
}

#search-input {
    width: 100%;
    padding: 14px 18px 14px 44px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    color: var(--text-1);
    font-size: 1rem;
    outline: none;
    transition: border .25s, box-shadow .25s;
}

#search-input:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 4px var(--glow-accent);
}

#search-input::placeholder { color: var(--text-3); }

/* history dropdown */
.search-history {
    position: absolute;
    top: calc(100% + 8px);
    left: 0; right: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: 0 16px 48px rgba(0,0,0,.5);
    z-index: 50;
    overflow: hidden;
    animation: popIn .2s ease-out;
}

@keyframes popIn {
    from { opacity:0; transform: translateY(-6px) scale(.98); }
    to   { opacity:1; transform: translateY(0) scale(1); }
}

.history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    font-size: .75rem;
    font-weight: 700;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: .6px;
}

.history-header button {
    background: none; border: none;
    color: var(--text-3); cursor: pointer;
    font-size: 1rem; padding: 2px 6px;
    border-radius: 4px;
    transition: all .2s;
}
.history-header button:hover { color: var(--danger); background: rgba(255,107,107,.1); }

#history-list {
    list-style: none;
    max-height: 200px;
    overflow-y: auto;
}

#history-list li {
    padding: 10px 14px 10px 36px;
    cursor: pointer;
    font-size: .88rem;
    color: var(--text-2);
    transition: all .15s;
    position: relative;
}
#history-list li::before {
    content: '';
    position: absolute;
    left: 14px; top: 50%;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--accent-1);
    opacity: .4;
    transform: translateY(-50%);
}
#history-list li:hover {
    background: rgba(124,106,239,.1);
    color: var(--text-1);
}

#type-filter, #year-filter {
    padding: 12px 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    color: var(--text-2);
    font-size: .88rem;
    outline: none;
    transition: border .25s;
}
#type-filter:focus, #year-filter:focus { border-color: var(--accent-1); }
#year-filter { width: 100px; }

#search-btn {
    padding: 14px 34px;
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: .95rem;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: .3px;
    transition: transform .2s, box-shadow .2s;
    position: relative;
    overflow: hidden;
}

#search-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent);
    transform: translateX(-100%);
    transition: transform .5s;
}
#search-btn:hover::after { transform: translateX(100%); }
#search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--glow-accent);
}
#search-btn:active { transform: translateY(0); }

/* ---------- empty state ---------- */
#empty-state {
    position: relative;
    z-index: 5;
    text-align: center;
    padding: 90px 20px 70px;
}

.empty-icon {
    font-size: 5rem;
    display: inline-block;
    animation: bounce 2.5s ease-in-out infinite;
    filter: drop-shadow(0 10px 25px var(--glow-accent));
}

@keyframes bounce {
    0%,100% { transform: translateY(0); }
    50%     { transform: translateY(-16px); }
}

#empty-state h2 {
    font-size: 1.7rem;
    font-weight: 800;
    margin-top: 20px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#empty-state p {
    color: var(--text-3);
    margin-top: 8px;
    font-size: .95rem;
}

/* ---------- skeleton ---------- */
.skeleton-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px,1fr));
    gap: 20px;
    padding: 20px;
}

.skeleton-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
}

.skel-img { width:100%; height:300px; }
.skel-title { height:16px; width:70%; margin:14px 14px 8px; border-radius:4px; }
.skel-year { height:12px; width:35%; margin:0 14px 14px; border-radius:4px; }
.skel-img,.skel-title,.skel-year { background: var(--bg-elevated); animation: shimmer 1.6s ease-in-out infinite; }

@keyframes shimmer {
    0%,100% { opacity:.35; }
    50%     { opacity:.7; }
}

/* ---------- messages ---------- */
#message-area {
    position: relative; z-index: 5;
    max-width: 600px;
    margin: 10px auto;
    padding: 14px 22px;
    text-align: center;
    border-radius: var(--radius-sm);
    font-size: .92rem;
    animation: popIn .3s ease-out;
}

#message-area.error {
    background: rgba(255,107,107,.1);
    color: var(--danger);
    border: 1px solid rgba(255,107,107,.2);
}
#message-area.info {
    background: rgba(124,106,239,.1);
    color: var(--accent-1);
    border: 1px solid rgba(124,106,239,.15);
}

/* ---------- favorites ---------- */
#favorites-section {
    position: relative; z-index: 5;
    max-width: 1100px;
    margin: 0 auto;
    padding: 10px 20px 20px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.section-header h2 { font-size: 1.1rem; font-weight: 700; }
.section-icon { color: var(--danger); }

.section-header button {
    padding: 6px 18px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    color: var(--text-2);
    font-size: .82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
}
.section-header button:hover {
    background: rgba(124,106,239,.15);
    color: var(--accent-1);
    border-color: var(--accent-1);
}

#favorites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px,1fr));
    gap: 14px;
}

/* ---------- results ---------- */
#results-section {
    position: relative; z-index: 5;
    flex: 1;
    padding: 20px;
}

#results-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px,1fr));
    gap: 22px;
}

/* ---------- movie card ---------- */
.movie-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--border);
    position: relative;
    /* entrance animation */
    opacity: 0;
    transform: translateY(30px) scale(.97);
    animation: cardIn .5s ease-out forwards;
    transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s;
}

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

.movie-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow:
        0 0 0 1px rgba(124,106,239,.3),
        0 12px 40px rgba(0,0,0,.5),
        0 0 30px var(--glow-accent);
}

.movie-card .poster-wrap {
    overflow: hidden;
    position: relative;
}

.movie-card .poster-wrap img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    background: var(--bg-elevated);
    transition: transform .4s ease;
}

.movie-card:hover .poster-wrap img {
    transform: scale(1.08);
}

/* gradient overlay on poster */
.movie-card .poster-wrap::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 60px;
    background: linear-gradient(transparent, var(--bg-card));
    pointer-events: none;
}

/* badges */
.card-badges {
    position: absolute;
    top: 10px; left: 10px;
    display: flex;
    gap: 5px;
    z-index: 2;
}

.badge {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: .65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .4px;
    backdrop-filter: blur(10px);
}

.badge-type {
    background: rgba(124,106,239,.85);
    color: #fff;
}
.badge-year {
    background: rgba(0,0,0,.55);
    color: #ddd;
    border: 1px solid rgba(255,255,255,.12);
}

/* fav button */
.fav-btn {
    position: absolute;
    top: 10px; right: 10px;
    z-index: 3;
    width: 34px; height: 34px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    background: rgba(0,0,0,.45);
    backdrop-filter: blur(6px);
    transition: all .2s;
    color: #fff;
}
.fav-btn:hover { transform: scale(1.2); background: rgba(255,107,107,.35); }
.fav-btn.active { background: rgba(255,107,107,.75); }

.card-info {
    padding: 14px 16px 16px;
}
.card-info h3 {
    font-size: .93rem;
    font-weight: 600;
    color: var(--text-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}
.card-info span { font-size: .78rem; color: var(--text-3); }

.no-poster {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 300px;
    background: var(--bg-elevated);
    color: var(--text-3);
    font-size: .85rem;
}

/* ---------- pagination ---------- */
#pagination {
    position: relative; z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 18px 20px 40px;
}

#pagination button {
    padding: 10px 26px;
    background: var(--bg-card);
    color: var(--text-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-size: .88rem;
    font-weight: 600;
    transition: all .2s;
}

#pagination button:hover:not(:disabled) {
    background: var(--accent-1);
    color: #fff;
    border-color: var(--accent-1);
    box-shadow: 0 4px 16px var(--glow-accent);
}

#pagination button:disabled { opacity:.3; cursor:default; }
#page-info { font-size:.83rem; color:var(--text-3); }

/* ---------- modal ---------- */
#modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn .2s;
}

@keyframes fadeIn { from{opacity:0} to{opacity:1} }

#modal {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-width: 750px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 30px 90px rgba(0,0,0,.6), 0 0 50px var(--glow-accent);
    animation: modalUp .35s cubic-bezier(.34,1.56,.64,1);
}

@keyframes modalUp {
    from { opacity:0; transform: scale(.9) translateY(30px); }
    to   { opacity:1; transform: scale(1) translateY(0); }
}

#modal-close {
    position: absolute;
    top: 14px; right: 16px;
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text-3);
    font-size: 1.3rem;
    cursor: pointer;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s;
}
#modal-close:hover { color: var(--danger); border-color: var(--danger); background: rgba(255,107,107,.1); }

#modal-body { padding: 30px; }

.detail-top { display:flex; gap:26px; margin-bottom:22px; }

.detail-poster {
    width: 220px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,.35);
}
.detail-poster img { width:100%; display:block; }

.detail-info { flex:1; }
.detail-info h2 { font-size:1.5rem; font-weight:700; margin-bottom:8px; }
.detail-info .meta { font-size:.83rem; color:var(--text-3); margin-bottom:16px; }
.detail-info .meta span+span::before { content:'\00b7'; margin:0 8px; }

.detail-info .rating-row { display:flex; gap:10px; flex-wrap:wrap; margin-bottom:16px; }

.rating-badge {
    background: var(--bg-elevated);
    padding: 6px 14px;
    border-radius: var(--radius-xs);
    font-size: .78rem;
    color: var(--text-2);
    border: 1px solid var(--border);
}
.rating-badge strong { color: var(--gold); }

.detail-row { margin-bottom:10px; font-size:.88rem; line-height:1.6; }
.detail-row strong { color: var(--text-2); }
.plot-text { color: var(--text-2); line-height:1.7; }

/* ---------- scroll to top ---------- */
#scroll-top-btn {
    position: fixed;
    bottom: 30px; right: 30px;
    width: 50px; height: 50px;
    border-radius: 50%;
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    cursor: pointer;
    z-index: 90;
    box-shadow: 0 6px 24px var(--glow-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all .3s;
}
#scroll-top-btn.visible { opacity:1; transform:translateY(0); }
#scroll-top-btn:hover { transform: translateY(-4px) scale(1.1); box-shadow: 0 10px 36px var(--glow-accent); }

/* ---------- footer ---------- */
#site-footer {
    position: relative; z-index: 5;
    text-align: center;
    padding: 22px;
    font-size: .76rem;
    color: var(--text-3);
    border-top: 1px solid var(--border);
}

/* spinner (modal loading) */
.spinner {
    width: 40px; height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--accent-1);
    border-radius: 50%;
    animation: spin .75s linear infinite;
    margin: 0 auto;
}
@keyframes spin { to{transform:rotate(360deg)} }

/* ---------- utility ---------- */
.hidden { display: none !important; }

/* ---------- responsive ---------- */
@media(max-width:640px) {
    #logo { font-size:1.5rem; }
    .search-box { padding:14px; gap:8px; }
    #search-input { flex-basis:100%; }
    #empty-state { padding:60px 20px 40px; }
    .empty-icon { font-size:3.5rem; }
    #empty-state h2 { font-size:1.3rem; }

    .detail-top { flex-direction:column; align-items:center; text-align:center; }
    .detail-poster { width:180px; }
    .detail-info .rating-row { justify-content:center; }

    #results-grid,.skeleton-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px,1fr));
        gap: 14px;
    }
    .movie-card .poster-wrap img, .no-poster, .skel-img { height:220px; }

    #scroll-top-btn { bottom:20px; right:20px; width:44px; height:44px; }
}