/**
 * Veo-3 Prompt Generator - Styles
 * Premium Design with Modern Aesthetics
 * Author: N.T.Được
 */

/* ============================
   VEO-3 SPECIFIC VARIABLES
   ============================ */
:root {
    --veo-gradient: linear-gradient(135deg, #6366f1 0%, #ec4899 50%, #f59e0b 100%);
    --veo-primary: #8b5cf6;
    --veo-secondary: #ec4899;
    --veo-accent: #f59e0b;
    --veo-glow: rgba(139, 92, 246, 0.4);
}

/* ============================
   PAGE BACKGROUND
   ============================ */
.veo3-page {
    background: linear-gradient(180deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
}

.veo3-bg {
    background:
        radial-gradient(ellipse at 20% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(245, 158, 11, 0.05) 0%, transparent 60%);
}

/* ============================
   LOGO & NAVBAR OVERRIDES
   ============================ */
.veo3-logo {
    background: var(--veo-gradient) !important;
}

.veo3-badge {
    background: linear-gradient(90deg, #8b5cf6, #ec4899) !important;
}

/* ============================
   HERO SECTION
   ============================ */
.veo3-hero {
    padding: 40px 0 30px;
}

.veo3-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(139, 92, 246, 0.15);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: #a78bfa;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 20px;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
    }

    50% {
        box-shadow: 0 0 30px rgba(139, 92, 246, 0.5);
    }
}

.text-gradient-veo {
    background: var(--veo-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================
   GENERATOR CARD
   ============================ */
.veo3-generator-card {
    background: rgba(30, 30, 50, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 24px;
    padding: 0;
    margin-bottom: 40px;
    overflow: hidden;
}

/* ============================
   SECTIONS
   ============================ */
.veo3-section {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0;
}

.veo3-section:last-of-type {
    border-bottom: none;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 30px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.step-badge {
    width: 36px;
    height: 36px;
    background: var(--veo-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: #fff;
    flex-shrink: 0;
}

.section-header h3 {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.section-body {
    padding: 25px 30px;
}

/* ============================
   TEXTAREA
   ============================ */
.veo3-textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 12px;
    padding: 16px;
    color: #fff;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: all 0.3s ease;
}

.veo3-textarea:focus {
    outline: none;
    border-color: var(--veo-primary);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
}

.veo3-textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.char-count {
    text-align: right;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 8px;
}

/* ============================
   QUICK IDEAS
   ============================ */
.quick-ideas {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.ideas-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ideas-label i {
    color: #fbbf24;
}

.idea-chip {
    background: rgba(139, 92, 246, 0.15);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: #c4b5fd;
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.idea-chip:hover {
    background: rgba(139, 92, 246, 0.3);
    border-color: var(--veo-primary);
    transform: translateY(-2px);
}

/* ============================
   VIDEO TYPES GRID
   ============================ */
.video-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 15px;
}

.video-type-card {
    position: relative;
    cursor: pointer;
}

.video-type-card input {
    display: none;
}

.type-inner {
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
}

.video-type-card:hover .type-inner {
    border-color: rgba(139, 92, 246, 0.5);
    background: rgba(139, 92, 246, 0.1);
}

.video-type-card input:checked+.type-inner {
    border-color: var(--veo-primary);
    background: rgba(139, 92, 246, 0.2);
    box-shadow: 0 0 25px rgba(139, 92, 246, 0.3);
}

.type-icon {
    width: 48px;
    height: 48px;
    background: var(--veo-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #fff;
    flex-shrink: 0;
}

.type-info h4 {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0 0 4px;
}

.type-info p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
    margin: 0;
}

.check-indicator {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 24px;
    height: 24px;
    background: var(--veo-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.7rem;
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s ease;
}

.video-type-card input:checked~.check-indicator {
    opacity: 1;
    transform: scale(1);
}

/* ============================
   LANGUAGE GRID
   ============================ */
.language-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.language-chip {
    position: relative;
    cursor: pointer;
}

.language-chip input {
    display: none;
}

.language-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 12px 18px;
    transition: all 0.3s ease;
}

.language-chip:hover {
    border-color: rgba(139, 92, 246, 0.5);
}

.language-chip:has(input:checked) {
    border-color: var(--veo-primary);
    background: rgba(139, 92, 246, 0.2);
}

.flag {
    font-size: 1.5rem;
}

.lang-name {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 500;
}

.rec-tag {
    background: linear-gradient(90deg, #22c55e, #16a34a);
    color: #fff;
    font-size: 0.65rem;
    padding: 3px 8px;
    border-radius: 10px;
    font-weight: 600;
    text-transform: uppercase;
}

.language-chip.recommended {
    border-color: rgba(34, 197, 94, 0.5);
}

/* ============================
   LIGHTING GRID
   ============================ */
.lighting-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.lighting-card {
    cursor: pointer;
}

.lighting-card input {
    display: none;
}

.lighting-inner {
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 15px;
    transition: all 0.3s ease;
}

.lighting-card:hover .lighting-inner {
    border-color: rgba(236, 72, 153, 0.5);
}

.lighting-card:has(input:checked) .lighting-inner {
    border-color: var(--veo-secondary);
    background: rgba(236, 72, 153, 0.15);
}

.lighting-inner h5 {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    margin: 0 0 5px;
}

.lighting-inner p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    margin: 0;
}

.setting-input label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.setting-input label i {
    color: var(--veo-accent);
}

/* ============================
   PARAMS GRID
   ============================ */
.params-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.param-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.param-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    font-weight: 500;
}

.param-group label i {
    color: var(--veo-primary);
}

.form-select {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 10px;
    padding: 12px 15px;
    color: #fff;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-select:focus {
    outline: none;
    border-color: var(--veo-primary);
}

.form-select option {
    background: #1a1a2e;
    color: #fff;
}

/* ============================
   EXTRA OPTIONS
   ============================ */
.extra-options {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.extra-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.extra-checkbox input {
    display: none;
}

.extra-checkbox .checkmark {
    width: 22px;
    height: 22px;
    background: rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(139, 92, 246, 0.4);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.extra-checkbox .checkmark::after {
    content: '✓';
    color: #fff;
    font-size: 0.8rem;
    opacity: 0;
    transform: scale(0);
    transition: all 0.2s ease;
}

.extra-checkbox input:checked+.checkmark {
    background: var(--veo-gradient);
    border-color: transparent;
}

.extra-checkbox input:checked+.checkmark::after {
    opacity: 1;
    transform: scale(1);
}

/* ============================
   GENERATE SECTION
   ============================ */
.generate-section {
    text-align: center;
    padding: 35px 30px;
    background: linear-gradient(180deg, transparent 0%, rgba(139, 92, 246, 0.05) 100%);
}

.btn-generate-veo3 {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--veo-gradient);
    border: none;
    border-radius: 16px;
    padding: 18px 45px;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-generate-veo3:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.4);
}

.btn-generate-veo3:active {
    transform: translateY(0);
}

.btn-generate-veo3 .btn-glow {
    position: absolute;
    inset: -2px;
    background: var(--veo-gradient);
    filter: blur(15px);
    opacity: 0.5;
    z-index: -1;
    animation: glow-pulse 2s ease-in-out infinite;
}

@keyframes glow-pulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.6;
    }
}

.generate-note {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
    margin-top: 15px;
}

/* ============================
   RESULT SECTION
   ============================ */
.veo3-result {
    background: rgba(30, 30, 50, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 40px;
    animation: result-appear 0.5s ease;
}

@keyframes result-appear {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.result-header-veo3 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: rgba(34, 197, 94, 0.1);
    border-bottom: 1px solid rgba(34, 197, 94, 0.2);
    flex-wrap: wrap;
    gap: 15px;
}

.result-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.result-title i {
    color: #22c55e;
    font-size: 1.5rem;
}

.result-title h3 {
    color: #fff;
    font-size: 1.2rem;
    margin: 0;
}

.result-actions {
    display: flex;
    gap: 10px;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 10px 18px;
    color: #fff;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.action-btn.primary {
    background: var(--veo-gradient);
    border: none;
}

.action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(139, 92, 246, 0.3);
}

.prompt-output-wrapper {
    padding: 25px 30px;
}

.prompt-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.p-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
}

.p-badge i {
    color: var(--veo-primary);
}

.p-badge.type i {
    color: #ec4899;
}

.p-badge.lang i {
    color: #22c55e;
}

.p-badge.duration i {
    color: #f59e0b;
}

.prompt-output-veo3 {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 16px;
    padding: 25px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    line-height: 1.8;
    max-height: 500px;
    overflow-y: auto;
}

.prompt-output-veo3::-webkit-scrollbar {
    width: 8px;
}

.prompt-output-veo3::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

.prompt-output-veo3::-webkit-scrollbar-thumb {
    background: var(--veo-primary);
    border-radius: 4px;
}

.prompt-output-veo3 .prompt-header {
    display: block;
    background: var(--veo-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1.2rem;
    margin: 20px 0 15px;
}

.prompt-output-veo3 .prompt-section {
    color: #a78bfa;
    font-size: 1rem;
    font-weight: 600;
    margin: 15px 0 10px;
    padding-bottom: 5px;
    border-bottom: 1px solid rgba(167, 139, 250, 0.3);
}

.prompt-output-veo3 .prompt-section-main {
    color: #ec4899;
    font-size: 1.1rem;
    font-weight: 700;
    margin: 20px 0 10px;
}

/* ============================
   USAGE GUIDE
   ============================ */
.usage-guide {
    padding: 20px 30px;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.usage-guide h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0 0 12px;
}

.usage-guide h4 i {
    color: #22c55e;
}

.usage-guide ol {
    margin: 0;
    padding-left: 20px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    line-height: 1.8;
}

.usage-guide a {
    color: var(--veo-primary);
    text-decoration: underline;
}

.usage-guide a:hover {
    color: #a78bfa;
}

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 768px) {
    .section-header {
        padding: 15px 20px;
    }

    .section-body {
        padding: 20px;
    }

    .video-types-grid {
        grid-template-columns: 1fr;
    }

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

    .result-header-veo3 {
        flex-direction: column;
        align-items: flex-start;
    }

    .result-actions {
        width: 100%;
        justify-content: stretch;
    }

    .action-btn {
        flex: 1;
        justify-content: center;
    }

    .prompt-output-wrapper {
        padding: 15px;
    }

    .btn-generate-veo3 {
        width: 100%;
        justify-content: center;
    }
}

/* ============================
   FORM INPUT OVERRIDES
   ============================ */
.veo3-page .form-input {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 10px;
    padding: 12px 15px;
    color: #fff;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    width: 100%;
}

.veo3-page .form-input:focus {
    outline: none;
    border-color: var(--veo-primary);
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.2);
}

.veo3-page .form-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.mt-4 {
    margin-top: 1.5rem !important;
}