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

:root {
    --bg: #0b0d14;
    --bg-card: #141720;
    --bg-elevated: #1b1f2e;
    --bg-input: #0f1119;
    --border: #262b40;
    --border-hover: #363d5a;
    --text: #f4f5fa;
    --text-2: #a8adc4;
    --text-3: #717899;
    --accent: #7c5cfc;
    --accent-2: #9b7cff;
    --accent-glow: rgba(124, 92, 252, 0.3);
    --accent-subtle: rgba(124, 92, 252, 0.08);
    --green: #2dd4a0;
    --green-bg: rgba(45, 212, 160, 0.1);
    --red: #ff6b6b;
    --red-bg: rgba(255, 107, 107, 0.1);
    --yellow: #ffc145;
    --yellow-bg: rgba(255, 193, 69, 0.1);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow: 0 8px 40px rgba(0,0,0,0.5);
    --glow: 0 0 24px var(--accent-glow);
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html { font-size: 15px; -webkit-font-smoothing: antialiased; }

body {
    font-family: var(--font);
    background: var(--bg);
    background-image:
        radial-gradient(ellipse 80% 60% at 50% -20%, rgba(124, 92, 252, 0.08), transparent),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(45, 212, 160, 0.04), transparent);
    color: var(--text);
    line-height: 1.65;
    min-height: 100vh;
}

::selection { background: var(--accent); color: #fff; }

/* ===== Dot grid background ===== */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: radial-gradient(circle, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    z-index: 0;
}

/* ===== App ===== */
.app {
    position: relative;
    z-index: 1;
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 28px 80px;
    position: relative;
}

/* ===== Footer Branding ===== */
.app::after {
    content: 'Powered by Deflato';
    display: block;
    text-align: center;
    padding: 40px 0 0;
    margin-top: 40px;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-3);
    opacity: 0.5;
    border-top: 1px solid var(--border);
    background: linear-gradient(90deg, transparent, var(--accent-subtle), transparent);
    background-size: 100% 1px;
    background-repeat: no-repeat;
    background-position: top;
    transition: opacity 0.3s var(--ease);
}

.app:hover::after {
    opacity: 0.7;
}

/* ===== Header ===== */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 0 0 24px;
    margin-bottom: 24px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.4;
}

.header__left { flex: 1; min-width: 200px; }

.header__logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    margin-bottom: 6px;
}

.header__logo h1 {
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.75px;
    background: linear-gradient(135deg, #fff 0%, var(--accent-2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header__logo svg { color: var(--accent); transition: transform 0.3s var(--ease); }
.header__logo:hover svg { transform: rotate(-8deg) scale(1.1); }

.header__subtitle {
    font-size: 0.85rem;
    color: var(--text-2);
    font-weight: 400;
}

/* ===== User Bar ===== */
.user-bar {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.user-bar__info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.user-bar__plan {
    font-size: 0.65rem;
    font-weight: 800;
    padding: 3px 12px;
    border-radius: 20px;
    background: var(--bg-elevated);
    color: var(--text-2);
    border: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.user-bar__plan--pro {
    background: linear-gradient(135deg, var(--accent), #6336e6);
    color: #fff;
    border: none;
    box-shadow: var(--glow);
}

.user-bar__usage { font-size: 0.65rem; color: var(--text-3); letter-spacing: 0.3px; }

.user-bar__actions { display: flex; gap: 8px; align-items: center; }

/* ===== Language Switcher ===== */
.lang-switcher {
    display: flex;
    gap: 3px;
    padding: 3px;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.lang-link {
    padding: 5px 9px;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-3);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.2s var(--ease);
    letter-spacing: 0.3px;
}

.lang-link:hover { color: var(--text); background: var(--bg-elevated); }

.lang-link--active {
    color: #fff;
    background: var(--accent);
    box-shadow: 0 2px 8px var(--accent-glow);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 22px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s var(--ease);
    text-decoration: none;
    white-space: nowrap;
    font-family: var(--font);
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: linear-gradient(135deg, var(--accent), #5a3ad8);
    color: #fff;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.btn--primary:hover {
    box-shadow: 0 8px 28px var(--accent-glow), var(--glow);
    transform: translateY(-2px) scale(1.03);
    filter: brightness(1.1);
}

.btn--primary:active { transform: translateY(0) scale(0.98); }

.btn--secondary {
    background: var(--bg-elevated);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn--secondary:hover {
    background: var(--border);
    border-color: var(--border-hover);
    transform: translateY(-1px) scale(1.02);
}

.btn--secondary:active { transform: translateY(0) scale(0.98); }

.btn--small { padding: 7px 14px; font-size: 0.78rem; border-radius: var(--radius-xs); }
.btn--large { padding: 14px 36px; font-size: 0.95rem; border-radius: 12px; }

.btn--text { background: none; border: none; color: var(--text-2); padding: 4px 10px; cursor: pointer; font-size: 0.8rem; font-family: var(--font); transition: all 0.2s var(--ease); }
.btn--text:hover { color: var(--text); transform: translateX(2px); }
.btn--disabled { opacity: 0.35; pointer-events: none; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ===== Hero Features ===== */
.hero-features {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: 24px;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-2);
    transition: all 0.2s var(--ease);
    backdrop-filter: blur(8px);
}

.hero-pill:hover {
    border-color: var(--accent);
    color: var(--text);
    background: var(--accent-subtle);
    transform: translateY(-1px);
}

.hero-pill__icon { font-size: 0.85rem; }

/* ===== Step Hero (upload) ===== */
.step--hero {
    background: transparent;
    border: none;
    padding: 0;
}

.step--hero .step__header { display: none; }

/* ===== Drop Zone Icon ===== */
.drop-zone__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(124, 92, 252, 0.08);
    border: 1px solid rgba(124, 92, 252, 0.2);
    transition: all 0.3s var(--ease);
}

.drop-zone:hover .drop-zone__icon {
    background: rgba(124, 92, 252, 0.15);
    border-color: rgba(124, 92, 252, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

/* ===== Format Tags ===== */
.drop-zone__formats-row {
    display: flex;
    gap: 6px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 16px;
    margin-bottom: 8px;
}

.format-tag {
    padding: 4px 12px;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border);
    border-radius: 5px;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-2);
    letter-spacing: 0.5px;
    transition: all 0.15s var(--ease);
}

.drop-zone:hover .format-tag {
    border-color: var(--border-hover);
    color: var(--text-2);
}

.drop-zone__limit {
    font-size: 0.68rem;
    color: var(--text-3);
    margin-top: 4px;
}

/* ===== Mode Tabs (Glassmorphism) ===== */
.mode-tabs {
    display: flex;
    gap: 4px;
    padding: 5px;
    background: rgba(16, 18, 24, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius);
    margin-bottom: 28px;
    border: 1px solid rgba(30, 34, 54, 0.6);
}

.mode-tab {
    flex: 1;
    padding: 13px 20px;
    border: none;
    border-radius: calc(var(--radius) - 5px);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    background: transparent;
    color: var(--text-3);
    transition: all 0.25s var(--ease);
    font-family: var(--font);
}

.mode-tab:hover { color: var(--text-2); background: rgba(22, 25, 37, 0.7); }

.mode-tab.active {
    background: linear-gradient(135deg, var(--accent), #5a3ad8);
    color: #fff;
    box-shadow: 0 4px 16px var(--accent-glow);
}

/* ===== Steps ===== */
.step {
    background: linear-gradient(180deg, #171a26 0%, var(--bg-card) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 20px;
    transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.step:hover {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.step__header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.step__number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), #5a3ad8);
    color: #fff;
    border-radius: 50%;
    font-weight: 800;
    font-size: 0.9rem;
    flex-shrink: 0;
    box-shadow: 0 4px 14px var(--accent-glow);
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.step:hover .step__number {
    transform: scale(1.08);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.step__header h2 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.4px;
}

/* ===== Drop Zone — Hero ===== */

/* Animated gradient border */
@keyframes dropZoneBorderRotate {
    0% { --angle: 0deg; }
    100% { --angle: 360deg; }
}

@property --angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

@keyframes dropZoneBreathe {
    0%, 100% {
        box-shadow:
            0 0 20px rgba(124, 92, 252, 0.05),
            inset 0 0 30px rgba(124, 92, 252, 0.02);
    }
    50% {
        box-shadow:
            0 0 40px rgba(124, 92, 252, 0.12),
            inset 0 0 50px rgba(124, 92, 252, 0.05);
    }
}

/* Animated dashed border using rotating gradient */
@keyframes marchingAnts {
    0% { background-position: 0 0, 100% 0, 100% 100%, 0 100%; }
    100% { background-position: 40px 0, 100% 40px, calc(100% - 40px) 100%, 0 calc(100% - 40px); }
}

.drop-zone {
    border: none;
    border-radius: var(--radius);
    padding: 72px 32px;
    text-align: center;
    cursor: pointer;
    transition: all 0.35s var(--ease);
    position: relative;
    background: linear-gradient(180deg, #161a28 0%, #111420 100%);
    animation: dropZoneBreathe 4s ease-in-out infinite;
    overflow: hidden;
}

/* Animated dashed border effect */
.drop-zone::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius);
    padding: 2px;
    background:
        repeating-linear-gradient(90deg, var(--border-hover) 0, var(--border-hover) 8px, transparent 8px, transparent 16px),
        repeating-linear-gradient(180deg, var(--border-hover) 0, var(--border-hover) 8px, transparent 8px, transparent 16px),
        repeating-linear-gradient(90deg, var(--border-hover) 0, var(--border-hover) 8px, transparent 8px, transparent 16px),
        repeating-linear-gradient(180deg, var(--border-hover) 0, var(--border-hover) 8px, transparent 8px, transparent 16px);
    background-size: 40px 2px, 2px 40px, 40px 2px, 2px 40px;
    background-position: 0 0, 100% 0, 100% 100%, 0 100%;
    background-repeat: repeat-x, repeat-y, repeat-x, repeat-y;
    animation: marchingAnts 1.2s linear infinite;
    pointer-events: none;
    z-index: 1;
}

/* Subtle ambient glow behind */
.drop-zone::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: calc(var(--radius) + 2px);
    background: conic-gradient(
        from var(--angle, 0deg),
        transparent 0%,
        var(--accent-glow) 25%,
        transparent 50%,
        rgba(45, 212, 160, 0.15) 75%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity 0.5s var(--ease);
    z-index: 0;
    animation: dropZoneBorderRotate 6s linear infinite;
}

.drop-zone:hover::after {
    opacity: 1;
}

.drop-zone:hover {
    background: linear-gradient(180deg, rgba(124, 92, 252, 0.06), var(--bg-card));
    box-shadow:
        0 0 60px rgba(124, 92, 252, 0.1),
        inset 0 0 40px rgba(124, 92, 252, 0.04);
    transform: scale(1.005);
}

.drop-zone:hover::before {
    background:
        repeating-linear-gradient(90deg, var(--accent) 0, var(--accent) 8px, transparent 8px, transparent 16px),
        repeating-linear-gradient(180deg, var(--accent) 0, var(--accent) 8px, transparent 8px, transparent 16px),
        repeating-linear-gradient(90deg, var(--accent) 0, var(--accent) 8px, transparent 8px, transparent 16px),
        repeating-linear-gradient(180deg, var(--accent) 0, var(--accent) 8px, transparent 8px, transparent 16px);
    background-size: 40px 2px, 2px 40px, 40px 2px, 2px 40px;
    background-position: 0 0, 100% 0, 100% 100%, 0 100%;
    background-repeat: repeat-x, repeat-y, repeat-x, repeat-y;
}

.drop-zone.drag-over {
    background: linear-gradient(180deg, rgba(124, 92, 252, 0.12), var(--bg-card));
    box-shadow:
        0 0 80px rgba(124, 92, 252, 0.2),
        inset 0 0 60px rgba(124, 92, 252, 0.08);
    transform: scale(1.015);
    animation: none;
}

.drop-zone.drag-over::after {
    opacity: 1;
}

.drop-zone.drag-over::before {
    background:
        repeating-linear-gradient(90deg, var(--accent-2) 0, var(--accent-2) 10px, transparent 10px, transparent 18px),
        repeating-linear-gradient(180deg, var(--accent-2) 0, var(--accent-2) 10px, transparent 10px, transparent 18px),
        repeating-linear-gradient(90deg, var(--accent-2) 0, var(--accent-2) 10px, transparent 10px, transparent 18px),
        repeating-linear-gradient(180deg, var(--accent-2) 0, var(--accent-2) 10px, transparent 10px, transparent 18px);
    background-size: 40px 2px, 2px 40px, 40px 2px, 2px 40px;
    background-position: 0 0, 100% 0, 100% 100%, 0 100%;
    background-repeat: repeat-x, repeat-y, repeat-x, repeat-y;
    animation-duration: 0.4s;
}

.drop-zone__content {
    position: relative;
    z-index: 2;
}

.drop-zone__content svg {
    color: var(--text-3);
    margin-bottom: 20px;
    opacity: 0.4;
    transition: all 0.35s var(--ease);
    filter: drop-shadow(0 0 0 transparent);
}

.drop-zone:hover .drop-zone__content svg {
    color: var(--accent-2);
    opacity: 1;
    transform: translateY(-6px) scale(1.05);
    filter: drop-shadow(0 8px 16px var(--accent-glow));
}

.drop-zone.drag-over .drop-zone__content svg {
    color: var(--accent-2);
    opacity: 1;
    transform: translateY(-10px) scale(1.12);
    filter: drop-shadow(0 12px 24px var(--accent-glow));
}

.drop-zone__text {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
    letter-spacing: -0.2px;
}

.drop-zone__hint {
    font-size: 0.85rem;
    color: var(--text-2);
    margin-bottom: 12px;
    letter-spacing: 0.2px;
}

.drop-zone__formats {
    font-size: 0.72rem;
    color: var(--text-3);
    letter-spacing: 0.3px;
}

/* ===== Progress ===== */
.upload-progress { padding: 20px 0; position: relative; z-index: 2; }

.progress-bar {
    height: 5px;
    background: var(--bg-elevated);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    border-radius: 3px;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--accent-glow);
}

.progress-bar__fill--indeterminate {
    width: 30% !important;
    animation: indeterminate 1.5s infinite ease-in-out;
}

@keyframes indeterminate { 0% { transform: translateX(-100%); } 100% { transform: translateX(400%); } }

.progress-text { text-align: center; font-size: 0.82rem; color: var(--text-2); margin-top: 10px; letter-spacing: 0.2px; }
.progress-section { margin-bottom: 16px; }

/* ===== File List ===== */
.file-list { margin-top: 24px; }

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

.file-list__header h3 { font-size: 0.95rem; font-weight: 600; }

.file-list__items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
}

.file-item {
    position: relative;
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    padding: 10px;
    border: 1px solid var(--border);
    transition: all 0.25s var(--ease);
}

.file-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.35), 0 0 0 1px var(--border-hover);
}

.file-item__delete {
    position: absolute; top: 6px; right: 6px;
    width: 22px; height: 22px;
    border-radius: 50%; border: none;
    background: var(--red-bg); color: var(--red);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem;
    opacity: 0; transition: all 0.2s var(--ease);
}

.file-item:hover .file-item__delete { opacity: 1; }
.file-item__delete:hover { transform: scale(1.15); background: rgba(255, 107, 107, 0.2); }

.file-item__preview {
    width: 100%; height: 80px; object-fit: cover;
    border-radius: var(--radius-xs); margin-bottom: 8px;
    background: var(--bg);
    transition: transform 0.25s var(--ease);
}

.file-item:hover .file-item__preview { transform: scale(1.03); }

.file-item__name { font-size: 0.72rem; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-item__size { font-size: 0.65rem; color: var(--text-3); letter-spacing: 0.2px; }

/* ===== Settings ===== */
.settings { display: flex; flex-direction: column; gap: 16px; }

.settings__group {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 22px;
    border-left: 3px solid var(--accent);
    transition: all 0.25s var(--ease);
}

.settings__group:hover {
    border-left-color: var(--accent-2);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.15);
}

.settings__group-title {
    font-size: 0.92rem;
    font-weight: 700;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: -0.2px;
}

.presets-bar {
    background: transparent;
    border: none;
    border-left: none;
    padding: 0;
    margin-bottom: 4px;
}

.presets-bar:hover {
    border-left-color: transparent;
    box-shadow: none;
}

.presets-bar .settings__group-title { margin-bottom: 10px; border-bottom: none; padding-bottom: 0; }
.presets { display: flex; gap: 6px; flex-wrap: wrap; }

.setting { margin-bottom: 14px; }
.setting:last-child { margin-bottom: 0; }
.setting > label {
    display: block;
    font-size: 0.82rem;
    color: var(--text-2);
    margin-bottom: 6px;
    font-weight: 500;
    letter-spacing: 0.15px;
}

/* ===== Inputs ===== */
.input {
    width: 100%; padding: 10px 14px;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius-xs); color: var(--text);
    font-size: 0.88rem; font-family: var(--font);
    transition: all 0.3s var(--ease); outline: none;
}

.input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    border-image: linear-gradient(135deg, var(--accent), var(--accent-2)) 1;
    border-image: none;
    border-color: var(--accent);
    background: rgba(12, 13, 20, 0.9);
}

.input::placeholder { color: var(--text-3); }
select.input { cursor: pointer; }

/* ===== Slider ===== */
.slider {
    -webkit-appearance: none; width: 100%; height: 6px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--border-hover), var(--border));
    outline: none; margin: 8px 0;
    transition: background 0.2s var(--ease);
}

.slider:hover {
    background: linear-gradient(90deg, var(--accent-glow), var(--border-hover));
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none; width: 18px; height: 18px;
    border-radius: 50%; background: var(--accent);
    cursor: pointer; border: 3px solid var(--bg-card);
    box-shadow: 0 0 10px var(--accent-glow);
    transition: all 0.2s var(--ease);
}

.slider::-webkit-slider-thumb:hover { transform: scale(1.25); box-shadow: 0 0 20px var(--accent-glow); }

.slider-labels { display: flex; justify-content: space-between; font-size: 0.65rem; color: var(--text-3); margin-top: 2px; letter-spacing: 0.3px; }

/* ===== Radio & Checkbox ===== */
.radio-group { display: flex; gap: 4px; flex-wrap: wrap; }

.radio, .checkbox {
    display: flex; align-items: center; gap: 8px;
    cursor: pointer; font-size: 0.85rem;
    padding: 8px 14px; border-radius: var(--radius-xs);
    transition: all 0.2s var(--ease); border: 1px solid transparent;
}

.radio:hover, .checkbox:hover {
    background: rgba(124, 92, 252, 0.06);
    border-color: rgba(124, 92, 252, 0.1);
}

.radio input, .checkbox input { accent-color: var(--accent); width: 16px; height: 16px; }

/* ===== Crop / Rotate Presets ===== */
.crop-presets { display: flex; gap: 6px; flex-wrap: wrap; }

.crop-btn.active, .rotate-btn.active, .flip-btn.active {
    background: var(--accent) !important; color: #fff !important; border-color: transparent !important;
    box-shadow: 0 2px 8px var(--accent-glow);
}

/* ===== Actions ===== */
.actions { display: flex; gap: 12px; margin-top: 24px; justify-content: flex-end; flex-wrap: wrap; }

/* ===== Results ===== */
.results-summary {
    background: linear-gradient(135deg, var(--accent-subtle), var(--bg-elevated));
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 24px; margin-bottom: 16px;
    position: relative;
    overflow: hidden;
}

.summary-grid {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.summary-stat {
    flex: 1;
    min-width: 90px;
    max-width: 140px;
    padding: 16px 12px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-align: center;
    transition: all 0.2s var(--ease);
}

.summary-stat:hover {
    border-color: var(--border-hover);
    background: rgba(255,255,255,0.05);
    transform: translateY(-2px);
}

.summary-stat__value {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text);
    margin-bottom: 4px;
}

.summary-stat__value--error { color: var(--red); }

.summary-stat__label {
    font-size: 0.7rem;
    color: var(--text-2);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-stat--highlight {
    background: var(--accent-subtle);
    border-color: rgba(124, 92, 252, 0.3);
}

.summary-stat--highlight .summary-stat__value {
    background: linear-gradient(135deg, var(--green), #40e0b0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.6rem;
}

.results-summary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(124, 92, 252, 0.06), transparent 70%);
    pointer-events: none;
}

.results-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }

.result-item {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 20px; background: var(--bg-elevated);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    transition: all 0.25s var(--ease);
}

.result-item:hover {
    border-color: var(--border-hover);
    background: rgba(22, 25, 37, 0.8);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.result-item__thumb {
    width: 50px; height: 50px; object-fit: cover;
    border-radius: 8px; flex-shrink: 0; background: var(--bg);
    transition: transform 0.25s var(--ease);
}

.result-item:hover .result-item__thumb { transform: scale(1.05); }

.result-item__info { flex: 1; min-width: 0; }
.result-item__name {
    font-size: 0.85rem;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: -0.1px;
}
.result-item__details {
    font-size: 0.72rem;
    color: var(--text-2);
    margin-top: 2px;
    letter-spacing: 0.2px;
}
.result-item__details--error { color: var(--red); }

/* Savings badge — prominent with pulse on positive */
@keyframes savingsPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(45, 212, 160, 0.3); }
    50% { box-shadow: 0 0 0 6px rgba(45, 212, 160, 0); }
}

.result-item__savings {
    font-weight: 700; font-size: 0.92rem; flex-shrink: 0;
    padding: 6px 16px; border-radius: 20px;
    transition: transform 0.25s var(--ease);
}

.result-item:hover .result-item__savings { transform: scale(1.05); }

.result-item__savings--positive {
    color: var(--green);
    background: var(--green-bg);
    border: 1px solid rgba(45, 212, 160, 0.2);
    animation: savingsPulse 2.5s ease-in-out infinite;
}

.result-item__savings--negative {
    color: var(--red);
    background: var(--red-bg);
    border: 1px solid rgba(255, 107, 107, 0.2);
}

.result-item__icon--error {
    width: 50px; height: 50px;
    display: flex; align-items: center; justify-content: center;
    background: var(--red-bg); color: var(--red);
    border-radius: 8px; font-weight: 700; font-size: 1.2rem; flex-shrink: 0;
}

.result-item__download {
    flex-shrink: 0;
    padding: 8px 18px;
    background: var(--bg-elevated);
    color: var(--text);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-xs);
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s var(--ease);
}

.result-item__download:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 2px 10px var(--accent-glow);
    transform: translateY(-1px);
}

/* ===== Toast (Glassmorphism) ===== */
.toast-container {
    position: fixed; top: 20px; right: 20px; z-index: 10000;
    display: flex; flex-direction: column; gap: 8px; max-width: 380px;
}

.toast {
    padding: 14px 20px; border-radius: var(--radius-sm);
    font-size: 0.85rem; font-weight: 500;
    animation: toastIn 0.35s var(--ease);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(24px) saturate(1.5);
    -webkit-backdrop-filter: blur(24px) saturate(1.5);
    border: 1px solid;
}

.toast--success {
    background: rgba(45, 212, 160, 0.12);
    border-color: rgba(45, 212, 160, 0.25);
    color: var(--green);
}

.toast--error {
    background: rgba(255, 107, 107, 0.12);
    border-color: rgba(255, 107, 107, 0.25);
    color: var(--red);
}

.toast--warning {
    background: rgba(255, 193, 69, 0.12);
    border-color: rgba(255, 193, 69, 0.25);
    color: var(--yellow);
}

.toast--info {
    background: rgba(124, 92, 252, 0.12);
    border-color: rgba(124, 92, 252, 0.25);
    color: var(--accent-2);
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(40px) scale(0.95); }
    to { opacity: 1; transform: translateX(0) scale(1); }
}

/* ===== PRO Badge ===== */
.pro-badge {
    display: inline-block; font-size: 0.55rem; font-weight: 800;
    padding: 2px 8px; border-radius: 4px;
    background: linear-gradient(135deg, var(--accent), #5a3ad8);
    color: #fff; vertical-align: middle; margin-left: 6px;
    letter-spacing: 1px; text-transform: uppercase;
}

/* ===== PRO Lock ===== */
.pro-feature--locked {
    position: relative;
    pointer-events: none;
    user-select: none;
    overflow: hidden;
}

.pro-feature--locked > * {
    opacity: 0.2;
    filter: blur(2px);
}

.pro-feature--locked > .settings__group-title {
    opacity: 0.5;
    filter: none;
}

.pro-feature--locked::after {
    content: 'Upgrade to PRO';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, var(--accent), #5a3ad8);
    color: #fff;
    padding: 14px 36px;
    border-radius: 28px;
    font-size: 0.85rem;
    font-weight: 700;
    pointer-events: auto;
    cursor: pointer;
    z-index: 2;
    box-shadow: var(--glow), 0 8px 32px rgba(0,0,0,0.4);
    letter-spacing: 0.5px;
    transition: all 0.2s var(--ease);
    white-space: nowrap;
}

.pro-feature--locked:hover::after {
    box-shadow: 0 0 40px var(--accent-glow), 0 8px 32px rgba(0,0,0,0.5);
    transform: translate(-50%, -50%) scale(1.05);
}

/* ===== Pricing ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 28px 0; }

.pricing-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 32px 24px;
    position: relative; display: flex; flex-direction: column;
    transition: all 0.3s var(--ease);
}

.pricing-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.pricing-card--featured {
    border-color: var(--accent);
    background: linear-gradient(180deg, rgba(124, 92, 252, 0.08) 0%, var(--bg-card) 100%);
    box-shadow: 0 0 40px var(--accent-glow);
}

.pricing-card--featured:hover { box-shadow: 0 0 60px var(--accent-glow); transform: translateY(-8px); }

.pricing-card__badge {
    position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent), #5a3ad8);
    color: #fff; padding: 4px 18px; border-radius: 20px;
    font-size: 0.68rem; font-weight: 700; letter-spacing: 0.5px;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.pricing-card__header { text-align: center; margin-bottom: 24px; }
.pricing-card__header h3 { font-size: 1.15rem; margin-bottom: 12px; font-weight: 700; letter-spacing: -0.3px; }

.pricing-card__price {
    font-size: 3rem; font-weight: 800; letter-spacing: -1.5px;
    background: linear-gradient(135deg, #fff, var(--accent-2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.pricing-card__period { font-size: 0.82rem; color: var(--text-3); margin-top: 2px; letter-spacing: 0.2px; }

.pricing-card__features { list-style: none; flex: 1; margin-bottom: 28px; }

.pricing-card__features li {
    padding: 7px 0 7px 24px; position: relative;
    font-size: 0.82rem; color: var(--text-2);
    letter-spacing: 0.1px;
}

.pricing-card__features li::before { content: '\2713'; position: absolute; left: 0; color: var(--green); font-weight: 700; }

.pricing-card__feature--disabled { color: var(--text-3); text-decoration: line-through; opacity: 0.5; }
.pricing-card__feature--disabled::before { content: '\2014' !important; color: var(--text-3) !important; }

.pricing-card__action { text-align: center; }
.pricing-card__action .btn { width: 100%; }

.pricing-footer { text-align: center; color: var(--text-3); font-size: 0.72rem; margin-top: 20px; line-height: 2; letter-spacing: 0.2px; }

/* ===== Auth ===== */
.auth-section { max-width: 420px; margin: 0 auto; }

.auth-tabs {
    display: flex; gap: 4px;
    background: rgba(22, 25, 37, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-sm);
    padding: 4px; margin-bottom: 28px;
    border: 1px solid rgba(30, 34, 54, 0.6);
}

.auth-tab {
    flex: 1; background: none; border: none;
    color: var(--text-3); font-size: 0.88rem; padding: 11px;
    border-radius: 7px; cursor: pointer;
    font-weight: 600; transition: all 0.2s var(--ease); font-family: var(--font);
}

.auth-tab:hover { color: var(--text-2); }

.auth-tab.active {
    background: linear-gradient(135deg, var(--accent), #5a3ad8);
    color: #fff; box-shadow: 0 2px 12px var(--accent-glow);
}

.auth-form { display: flex; flex-direction: column; gap: 18px; }

.auth-error {
    color: var(--red); font-size: 0.82rem; padding: 10px 14px;
    background: var(--red-bg); border-radius: var(--radius-xs);
    border: 1px solid rgba(255, 107, 107, 0.2);
}

.auth-submit { width: 100%; margin-top: 4px; }

.auth-footer { margin-top: 28px; text-align: center; display: flex; flex-direction: column; gap: 4px; }
.auth-footer a { color: var(--accent-2); text-decoration: none; font-size: 0.82rem; transition: color 0.2s var(--ease); }
.auth-footer a:hover { text-decoration: underline; color: #fff; }
.auth-footer__hint { font-size: 0.72rem; color: var(--text-3); letter-spacing: 0.2px; }

/* ===== Account ===== */
.account-info {
    background: var(--bg-elevated); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 4px 22px;
}

.account-row { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--border); }
.account-row:last-child { border-bottom: none; }
.account-label { color: var(--text-2); font-size: 0.82rem; letter-spacing: 0.1px; }
.account-value { font-weight: 600; font-size: 0.88rem; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .app { padding: 16px 14px 60px; }
    .header { flex-direction: column; align-items: stretch; gap: 12px; }
    .user-bar { justify-content: space-between; flex-wrap: wrap; gap: 8px; }
    .step { padding: 22px 18px; }
    .mode-tab { font-size: 0.78rem; padding: 10px 12px; }
    .pricing-grid { grid-template-columns: 1fr !important; }
    .file-list__items { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
    .result-item { flex-wrap: wrap; gap: 10px; }
    .actions { flex-direction: column; }
    .actions .btn { width: 100%; }
    .drop-zone { padding: 48px 20px; }
}

@media (max-width: 480px) {
    html { font-size: 14px; }
    .mode-tabs { flex-direction: column; }
    .lang-switcher { order: -1; }
}