:root {
    --bg: #0f172a;
    --bg-grad: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --accent: #38bdf8;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --font-scale: 1.5rem;
}

[data-theme="tokyo"] {
    --bg: #090014;
    --bg-grad: #1a0033;
    --card-bg: rgba(26, 0, 51, 0.8);
    --accent: #ff00ff;
    --text-main: #e0e0ff;
    --text-dim: #00ffff;
}

[data-theme="marseille"] {
    --bg: #004e92;
    --bg-grad: #000428;
    --card-bg: rgba(255, 255, 255, 0.1);
    --accent: #00d2ff;
    --text-main: #ffffff;
    --text-dim: #a0c4ff;
}

[data-theme="manila"] {
    --bg: #ff7e5f;
    --bg-grad: #feb47b;
    --card-bg: rgba(74, 28, 0, 0.4);
    --accent: #ffdf00;
    --text-main: #ffffff;
    --text-dim: #ffe4b5;
}

[data-theme="cappadocia"] {
    --bg: #2c3e50;
    --bg-grad: #fd746c;
    --card-bg: rgba(255, 255, 255, 0.15);
    --accent: #ffcc00;
    --text-main: #ffffff;
    --text-dim: #ffdab9;
}

[data-theme="kyoto"] {
    --bg: #1a1a2e;
    --bg-grad: #16213e;
    --card-bg: rgba(255, 255, 255, 0.1);
    --accent: #ff9a9e;
    --text-main: #ffffff;
    --text-dim: #fecfef;
}

[data-theme="miami"] {
    --bg: #00c6ff;
    --bg-grad: #0072ff;
    --card-bg: rgba(255, 255, 255, 0.2);
    --accent: #ff007f;
    --text-main: #ffffff;
    --text-dim: #cce5ff;
}

[data-theme="rio"] {
    --bg: #0d3b2e;
    --bg-grad: #1a6b4a;
    --card-bg: rgba(0, 60, 30, 0.5);
    --accent: #ffdf00;
    --text-main: #ffffff;
    --text-dim: #a8ffc4;
}

[data-theme="santorini"] {
    --bg: #0c2a4a;
    --bg-grad: #1a4a7a;
    --card-bg: rgba(255, 255, 255, 0.15);
    --accent: #e0f2ff;
    --text-main: #ffffff;
    --text-dim: #a8d1f5;
}

[data-theme="newyork"] {
    --bg: #050508;
    --bg-grad: #0f0f1a;
    --card-bg: rgba(20, 20, 35, 0.8);
    --accent: #f7c948;
    --text-main: #e0e0e0;
    --text-dim: #666688;
}

[data-theme="reykjavik"] {
    --bg: #000a08;
    --bg-grad: #001a12;
    --card-bg: rgba(0, 30, 20, 0.7);
    --accent: #00ff9d;
    --text-main: #e0fff5;
    --text-dim: #00cc7a;
}

[data-theme="madrid"] {
    --bg: #0a1f3d;
    --bg-grad: #1a5099;
    --card-bg: rgba(10, 40, 100, 0.4);
    --accent: #ffd060;
    --text-main: #f0f8ff;
    --text-dim: #7ab8f0;
}

[data-theme="rome"] {
    --bg: #1a0f00;
    --bg-grad: #3d2000;
    --card-bg: rgba(60, 30, 0, 0.5);
    --accent: #d4af37;
    --text-main: #fff8f0;
    --text-dim: #c8a882;
}

#login-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: linear-gradient(135deg, var(--bg), var(--bg-grad));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
}

.login-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    text-align: center;
}

.login-subtitle {
    font-size: 0.9rem;
    color: var(--text-dim);
    text-align: center;
}

.login-error {
    font-size: 0.85rem;
    color: #f87171;
    text-align: center;
    min-height: 1.2em;
}

#login-overlay input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border-radius: 12px;
    background: var(--card-bg);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.95rem;
    outline: none;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.2s ease;
}

#login-overlay input[type="password"]:focus {
    border-color: var(--accent);
}

#loginBtn {
    padding: 0.75rem;
    border-radius: 12px;
    background: var(--accent);
    color: #0f172a;
    border: none;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

#loginBtn:hover {
    opacity: 0.85;
}

#loginBtn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--bg), var(--bg-grad));
    color: var(--text-main);
    margin: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    transition: background 0.5s ease, color 0.5s ease;
}

#dynamic-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    opacity: 0;
}

.bubble {
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.1));
    box-shadow: inset 0 0 10px rgba(255, 255, 255, 0.5);
    animation: floatUp 10s infinite ease-in;
}

.petal {
    background: var(--accent);
    border-radius: 15px 0 15px 0;
    animation: fallDiagonal 8s infinite linear;
}

.balloon {
    background: var(--accent);
    border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
    box-shadow: inset -5px -5px 15px rgba(0, 0, 0, 0.3);
    animation: floatUpSlow 20s infinite ease-in-out;
}

.balloon::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 10px;
    background: #654321;
    border-radius: 2px;
}

.cyber-dust {
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent);
    animation: driftUp 6s infinite linear;
}

.confetti {
    border-radius: 2px;
    animation: confettiFall linear forwards;
}

.raindrop {
    width: 1px;
    border-radius: 1px;
    background: rgba(180, 210, 255, 0.45);
    animation: rainFall linear forwards;
}

.aurora-orb {
    border-radius: 50%;
    filter: blur(50px);
    animation: auroraFloat ease-in-out forwards;
}

.cloud {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    filter: blur(14px);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.4), 25px -12px 30px rgba(255, 255, 255, 0.3), -25px -12px 30px rgba(255, 255, 255, 0.3);
    animation: cloudDrift linear forwards;
}

.ember {
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent);
    animation: emberDrift ease-in-out forwards;
}

@keyframes floatUp {
    0% {
        transform: translateY(100vh) scale(0.5);
        opacity: 0;
    }

    20% {
        opacity: 0.6;
    }

    100% {
        transform: translateY(-100px) scale(1.2);
        opacity: 0;
    }
}

@keyframes floatUpSlow {
    0% {
        transform: translateY(100vh) translateX(0) scale(0.8);
        opacity: 0;
    }

    10% {
        opacity: 0.8;
    }

    50% {
        transform: translateY(40vh) translateX(30px) scale(1);
    }

    100% {
        transform: translateY(-150px) translateX(-20px) scale(1.2);
        opacity: 0;
    }
}

@keyframes fallDiagonal {
    0% {
        transform: translateY(-50px) translateX(0) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 0.7;
    }

    100% {
        transform: translateY(100vh) translateX(100px) rotate(360deg);
        opacity: 0;
    }
}

@keyframes driftUp {
    0% {
        transform: translateY(100vh);
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        transform: translateY(-50px);
        opacity: 0;
    }
}

@keyframes confettiFall {
    0% {
        transform: translateY(-20px) rotate(0deg) translateX(0);
        opacity: 0;
    }

    8% {
        opacity: 0.9;
    }

    100% {
        transform: translateY(100vh) rotate(540deg) translateX(60px);
        opacity: 0;
    }
}

@keyframes rainFall {
    0% {
        transform: translateY(-30px);
        opacity: 0.7;
    }

    100% {
        transform: translateY(100vh);
        opacity: 0.1;
    }
}

@keyframes auroraFloat {
    0% {
        transform: translateY(80vh) scale(0.7);
        opacity: 0;
    }

    20% {
        opacity: 0.22;
    }

    65% {
        opacity: 0.14;
    }

    100% {
        transform: translateY(-10vh) scale(1.4);
        opacity: 0;
    }
}

@keyframes cloudDrift {
    0% {
        transform: translateX(-350px);
        opacity: 0;
    }

    8% {
        opacity: 0.75;
    }

    92% {
        opacity: 0.75;
    }

    100% {
        transform: translateX(110vw);
        opacity: 0;
    }
}

@keyframes emberDrift {
    0% {
        transform: translateY(100vh) scale(0.4);
        opacity: 0;
    }

    15% {
        opacity: 0.9;
    }

    55% {
        transform: translateY(40vh) translateX(12px) scale(1);
        opacity: 0.55;
    }

    100% {
        transform: translateY(-40px) translateX(-8px) scale(0.3);
        opacity: 0;
    }
}

header {
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 100;
    position: relative;
}

.header-brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem 0;
}

.header-toggle {
    display: none;
    justify-content: center;
    align-items: center;
    padding: 0.4rem;
    background: none;
    border: none;
    cursor: pointer;
}

.login-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 0.25rem;
}

.back-link {
    color: var(--text-dim); font-size: 0.85rem;
    text-decoration: none; text-align: center;
}
.back-link:hover { color: var(--text-main); }

.toggle-pill {
    width: 40px;
    height: 4px;
    background: var(--text-dim);
    border-radius: 2px;
    transition: opacity 0.3s ease;
}

.controls-wrapper {
    padding: 1rem;
    overflow: hidden;
    max-height: 400px;
    opacity: 1;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
}

.controls-wrapper.collapsed {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
}

.controls-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
    justify-content: space-between;
}

.control-group {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 140px;
}

.font-controls {
    display: flex;
    gap: 0.5rem;
}

label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    margin-bottom: 0.4rem;
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

select,
button {
    width: 100%;
    padding: 0.75rem;
    border-radius: 12px;
    background: var(--card-bg);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.95rem;
    outline: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    backdrop-filter: blur(10px);
    -webkit-appearance: none;
    appearance: none;
}

select:focus,
button:active {
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

button {
    flex: 1;
    text-align: center;
    font-size: 1.1rem;
}

button:hover {
    background: rgba(255, 255, 255, 0.1);
}

select option {
    background: #1e293b;
    color: white;
}

#teleprompter {
    flex: 1;
    overflow-y: auto;
    padding: 2rem 1.5rem 12rem;
    scroll-behavior: smooth;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
    z-index: 10;
    -webkit-overflow-scrolling: touch;
}

.fade-overlay {
    position: fixed;
    left: 0;
    width: 100%;
    height: 80px;
    background: linear-gradient(to bottom, var(--bg) 10%, transparent);
    z-index: 15;
    pointer-events: none;
    opacity: 0.8;
    transition: top 0.3s ease;
}

.subtitle-entry {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    animation: slideUp 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
    background: var(--card-bg);
    padding: 1.2rem;
    border-radius: 16px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

.original-text {
    color: var(--text-dim);
    font-size: calc(var(--font-scale) * 0.55);
    margin-bottom: 0.5rem;
    font-style: italic;
}

.translated-text {
    font-size: var(--font-scale);
    line-height: 1.4;
    font-weight: 400;
    color: var(--text-main);
    transition: font-size 0.2s ease;
}

.subtitle-entry:last-child {
    border: 1px solid var(--accent);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.subtitle-entry:last-child .translated-text {
    color: var(--accent);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

@media (max-width: 600px) {
    .header-toggle {
        display: flex;
    }

    .controls-wrapper {
        padding: 0 0.75rem 0.75rem;
    }

    .controls-wrapper.collapsed {
        padding: 0;
    }

    .controls-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.6rem;
        flex-wrap: unset;
    }

    .control-group {
        flex: unset;
        min-width: unset;
    }

    .control-group:last-child {
        grid-column: 1 / -1;
    }

    select,
    button {
        min-height: 44px;
        font-size: 0.9rem;
        padding: 0.65rem;
    }

    #teleprompter {
        padding: 1rem 0.75rem 8rem;
        gap: 1rem;
    }

    .subtitle-entry {
        padding: 0.9rem;
        border-radius: 12px;
    }
}

.back-link {
    position: relative;
    z-index: 1;
    margin-top: 1.5rem;
    color: var(--text-dim);
    font-size: 0.85rem;
    text-decoration: none;
    text-align: center;
}

.back-link:hover {
    color: var(--text-main);
}

.copyright {
    position: fixed;
    bottom: 0.9rem;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-dim);
    pointer-events: none;
    z-index: 9999;
}