/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Space+Mono&display=swap');

:root {
    --bg-dark: #0b0f19;
    --panel-bg: #151b2b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --cyan-glow: #06b6d4;
    --emerald-glow: #10b981;
    --amber-glow: #f59e0b;
    --border-color: #1e293b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    border-bottom: 1px solid var(--border-color);
    background: rgba(11, 15, 25, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
}

.tagline {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 300;
    display: block;
}

.navbar nav a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 20px;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.navbar nav a:hover {
    color: var(--cyan-glow);
}

/* App Container */
.app-container {
    max-width: 600px;
    margin: 40px auto;
    padding: 20px;
}

/* Upload Zone */
.upload-box {
    background: var(--panel-bg);
    border: 2px dashed var(--border-color);
    border-radius: 16px;
    padding: 50px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-box:hover, .upload-box.dragover {
    border-color: var(--cyan-glow);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.1);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.upload-box h2 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.support-text {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 10px;
}

/* Editor Workspace */
.editor-hidden {
    display: none;
}

.file-info-panel, .trimmer-panel {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
}

.file-name {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 15px;
}

#display-file-name {
    color: var(--text-main);
    font-weight: 400;
}

/* Simple Player */
.simple-player {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(0,0,0,0.2);
    padding: 10px 15px;
    border-radius: 8px;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.2rem;
    cursor: pointer;
}

#full-time-display {
    font-family: 'Space Mono', monospace;
    font-size: 0.9rem;
}

/* Trimmer Panel */
.panel-title {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.waveform-wrapper {
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 20px;
}

/* ---- NEW: White Professional Handles for Regions ---- */
#waveform::part(region-handle-left),
#waveform::part(region-handle-right) {
    width: 6px !important;
    background-color: #ffffff !important;
    border-radius: 6px !important;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.8);
    cursor: ew-resize;
    height: 90%;
    margin-top: 5px;
}
/* ---------------------------------------------------- */

/* Precision Controls */
.precision-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: flex-end;
    justify-content: space-between;
}

.time-input-group label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.input-stepper {
    display: flex;
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.input-stepper button {
    background: transparent;
    color: var(--text-main);
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.2s;
}

.input-stepper button:hover {
    background: rgba(255,255,255,0.1);
}

.input-stepper input {
    background: transparent;
    border: none;
    color: var(--text-main);
    text-align: center;
    width: 80px;
    font-family: 'Space Mono', monospace;
    font-size: 0.9rem;
    outline: none;
    cursor: text;
    border-bottom: 1px solid transparent;
    transition: all 0.3s;
}

.input-stepper input:focus {
    border-bottom: 1px solid var(--amber-glow);
    background: rgba(255, 255, 255, 0.05);
}

.preview-btn {
    background: transparent;
    border: 1px solid var(--cyan-glow);
    color: var(--cyan-glow);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 600;
}

.preview-btn:hover {
    background: rgba(6, 182, 212, 0.1);
}

.preview-btn.active-play {
    border-color: var(--amber-glow);
    color: var(--amber-glow);
    background: rgba(245, 158, 11, 0.1);
}

/* Action Buttons */
.action-panel {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.generate-btn, .download-btn {
    flex: 1;
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.generate-btn {
    background: var(--cyan-glow);
    color: #fff;
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.4);
}

.generate-btn:hover {
    box-shadow: 0 0 25px rgba(6, 182, 212, 0.6);
}

.download-btn {
    background: var(--emerald-glow);
    color: #fff;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.download-btn:hover {
    box-shadow: 0 0 25px rgba(16, 185, 129, 0.6);
}

.hidden {
    display: none !important;
}

.reset-link {
    background: none;
    border: none;
    color: var(--text-muted);
    text-decoration: underline;
    cursor: pointer;
    display: block;
    width: 100%;
    text-align: center;
    font-size: 0.9rem;
}

/* SEO Content Section */
.seo-content-section {
    background: #0d121e;
    border-top: 1px solid var(--border-color);
    padding: 60px 20px;
}

.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.content-wrapper h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-main);
}

.content-wrapper h2 {
    font-size: 1.5rem;
    margin-top: 40px;
    margin-bottom: 15px;
    color: var(--cyan-glow);
}

.content-wrapper h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-main);
}

.content-wrapper p, .content-wrapper li {
    color: var(--text-muted);
    margin-bottom: 15px;
    font-size: 1rem;
}

.content-wrapper ul, .content-wrapper ol {
    margin-left: 20px;
    margin-bottom: 20px;
}

.faq-item {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--cyan-glow);
}

footer p {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
    .action-panel {
        flex-direction: column;
    }
    .precision-controls {
        flex-direction: column;
        align-items: stretch;
    }
    .input-stepper {
        justify-content: space-between;
    }
    .navbar {
        flex-direction: column;
        gap: 15px;
    }
}