/* ==========================================================================
   VIDEO DOWNLOADER - PREMIUM PINK ACCENT THEME
   ========================================================================== */

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

.tool-container {
    max-width: 900px;
    margin: 0 auto;
    padding: calc(var(--nav-height) + 2rem) 2rem 4rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.back-link:hover {
    color: var(--accent-pink);
    transform: translateX(-4px);
}

.back-link svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    transform: rotate(180deg);
}

.tool-page-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.tool-page-header .back-link {
    justify-content: center;
}

.tool-page-header h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.tool-page-header p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ==========================================================================
   URL INPUT SECTION
   ========================================================================== */
.url-input-section {
    margin-bottom: 2.5rem;
}

.url-input-wrapper {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 2px solid rgba(236, 72, 153, 0.2);
    border-radius: var(--border-radius-lg);
    padding: 0.5rem 0.75rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition-smooth);
    margin-bottom: 1rem;
}

.url-input-wrapper:focus-within {
    border-color: var(--accent-pink);
    box-shadow: 0 0 30px rgba(236, 72, 153, 0.15), inset 0 0 20px rgba(236, 72, 153, 0.03);
}

.url-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-pink);
    opacity: 0.7;
}

.url-icon svg {
    width: 22px;
    height: 22px;
}

.url-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.85rem 0.5rem;
    min-width: 0;
}

.url-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

.btn-paste {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(236, 72, 153, 0.1);
    border: 1px solid rgba(236, 72, 153, 0.2);
    border-radius: var(--border-radius-sm);
    color: var(--accent-pink);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-paste:hover {
    background: rgba(236, 72, 153, 0.2);
    transform: scale(1.05);
}

.btn-paste svg {
    width: 20px;
    height: 20px;
}

.btn-download-main {
    width: 100%;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1.05rem;
    font-weight: 700;
    background: var(--grad-pink);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    box-shadow: 0 0 30px rgba(236, 72, 153, 0.25);
    transition: var(--transition-smooth);
    gap: 0.6rem;
}

.btn-download-main:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px rgba(236, 72, 153, 0.35);
    filter: brightness(1.1);
}

.btn-download-main:active {
    transform: translateY(0);
}

.btn-download-main:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    filter: none;
}

/* ==========================================================================
   SUPPORTED PLATFORMS
   ========================================================================== */
.platforms-section {
    margin-bottom: 3rem;
}

.platforms-title {
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.25rem;
}

.platforms-grid {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.platform-card {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    cursor: default;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.platform-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.platform-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.platform-icon svg {
    width: 18px;
    height: 18px;
}

.tiktok-icon { color: #ff0050; }
.facebook-icon { color: #1877f2; }
.instagram-icon { color: #e4405f; }
.youtube-icon { color: #ff0000; }
.twitter-icon { color: #ffffff; }

/* ==========================================================================
   LOADING STATE
   ========================================================================== */
.loading-section {
    margin-bottom: 2rem;
}

.loading-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    gap: 1.5rem;
}

.loading-spinner {
    position: relative;
    width: 60px;
    height: 60px;
}

.spinner-ring {
    position: absolute;
    inset: 0;
    border: 3px solid transparent;
    border-radius: 50%;
}

.spinner-ring:nth-child(1) {
    border-top-color: var(--accent-pink);
    animation: spin 1.2s linear infinite;
}

.spinner-ring:nth-child(2) {
    inset: 6px;
    border-right-color: var(--accent-purple);
    animation: spin 1.5s linear infinite reverse;
}

.spinner-ring:nth-child(3) {
    inset: 12px;
    border-bottom-color: var(--accent-indigo);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    animation: pulse-text 2s ease-in-out infinite;
}

@keyframes pulse-text {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* ==========================================================================
   RESULT SECTION
   ========================================================================== */
.result-section {
    margin-bottom: 2.5rem;
    animation: fadeSlideUp 0.5s ease-out;
}

@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-card {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid rgba(236, 72, 153, 0.15);
}

.result-preview {
    position: relative;
}

.video-thumbnail-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.4);
}

.video-thumbnail-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.35);
    opacity: 0;
    transition: var(--transition-smooth);
    cursor: pointer;
}

.video-thumbnail-wrapper:hover .play-overlay {
    opacity: 1;
}

.play-overlay svg {
    width: 56px;
    height: 56px;
    color: white;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.4));
    transition: var(--transition-smooth);
}

.play-overlay:hover svg {
    transform: scale(1.15);
}

.duration-badge {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    font-family: 'Inter', monospace;
    letter-spacing: 0.03em;
    backdrop-filter: blur(4px);
}

.result-info {
    padding: 1.75rem;
}

.video-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.download-options {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 1.25rem;
}

.options-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.download-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.15rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
}

.download-option:hover {
    background: rgba(236, 72, 153, 0.05);
    border-color: rgba(236, 72, 153, 0.2);
}

.option-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.option-quality {
    font-weight: 700;
    color: white;
    font-size: 0.95rem;
}

.option-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-hd {
    background: rgba(20, 184, 166, 0.15);
    color: #2dd4bf;
}

.badge-sd {
    background: rgba(99, 102, 241, 0.15);
    color: #818cf8;
}

.badge-audio {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
}

.option-size {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.btn-dl-option {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: var(--grad-pink);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-family: 'Inter', sans-serif;
    text-decoration: none;
}

.btn-dl-option:hover {
    transform: translateY(-1px);
    filter: brightness(1.15);
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3);
}

.btn-dl-option svg {
    width: 14px;
    height: 14px;
}

/* ==========================================================================
   ERROR STATE
   ========================================================================== */
.error-section {
    margin-bottom: 2rem;
    animation: fadeSlideUp 0.4s ease-out;
}

.error-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 3rem 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(239, 68, 68, 0.2);
    gap: 1rem;
}

.error-icon {
    width: 56px;
    height: 56px;
    color: #ef4444;
    opacity: 0.8;
}

.error-icon svg {
    width: 100%;
    height: 100%;
}

.error-title {
    font-size: 1.3rem;
    color: #fca5a5;
}

.error-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    max-width: 500px;
    line-height: 1.7;
}

/* ==========================================================================
   HOW TO USE SECTION
   ========================================================================== */
.howto-section {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.howto-title {
    text-align: center;
    font-size: 1.6rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.howto-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.howto-step {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: var(--transition-smooth);
}

.howto-step:hover {
    transform: translateY(-4px);
    border-color: rgba(236, 72, 153, 0.2);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.step-number {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 28px;
    background: var(--grad-pink);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 800;
    color: white;
    box-shadow: 0 0 15px rgba(236, 72, 153, 0.4);
}

.step-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    color: var(--accent-pink);
    opacity: 0.8;
}

.step-icon svg {
    width: 100%;
    height: 100%;
}

.howto-step h4 {
    font-size: 1rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
}

.howto-step p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 768px) {
    .tool-container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .tool-page-header h1 {
        font-size: 1.9rem;
    }

    .tool-page-header p {
        font-size: 0.9rem;
    }

    .howto-grid {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }

    .url-input {
        font-size: 0.9rem;
    }

    .platforms-grid {
        gap: 0.5rem;
    }

    .platform-card {
        padding: 0.5rem 0.75rem;
        font-size: 0.78rem;
    }

    .platform-icon svg {
        width: 15px;
        height: 15px;
    }

    .result-info {
        padding: 1.25rem;
    }

    .video-title {
        font-size: 1.05rem;
    }

    .download-option {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .btn-dl-option {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .tool-page-header h1 {
        font-size: 1.6rem;
    }

    .platforms-grid {
        justify-content: flex-start;
    }
}