:root {
    --bg-color: #0F1115;
    --card-bg: #1A1D24;
    --accent-color: #00A8FF;
    --accent-hover: #0082C8;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A5B1;
    --error-color: #FF4D4D;
    --border-radius: 12px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 20px;
}

/* Header */
.main-header {
    text-align: center;
    padding: 30px 0 20px;
}

.brand-logo {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--accent-color);
}

.brand-tagline {
    font-size: 0.95rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
    margin-top: 5px;
    text-transform: uppercase;
}

/* Main Layout */
#mainContent {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 0;
}

.view-section {
    display: none;
    width: 100%;
}

.view-section.active {
    display: block;
}

/* Login Card */
.login-card {
    background: var(--card-bg);
    border: 1px solid #2A2E39;
    border-radius: var(--border-radius);
    padding: 40px;
    max-width: 480px;
    margin: 0 auto;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.login-card h2 {
    margin-bottom: 10px;
    font-size: 1.6rem;
}

.login-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 25px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.input-group input {
    width: 100%;
    padding: 15px;
    background: #0F1115;
    border: 2px solid #2A2E39;
    border-radius: 8px;
    color: #FFF;
    font-size: 1.1rem;
    text-align: center;
    letter-spacing: 2px;
    outline: none;
    transition: border-color 0.2s;
}

.input-group input:focus {
    border-color: var(--accent-color);
}

.input-group button {
    padding: 15px;
    background: var(--accent-color);
    color: #000;
    font-weight: 700;
    font-size: 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.input-group button:hover {
    background: var(--accent-hover);
}

.status-msg {
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--error-color);
    min-height: 20px;
}

/* Gallery Grid */
.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    border-bottom: 1px solid #2A2E39;
    padding-bottom: 15px;
}

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

.secondary-btn:hover {
    background: var(--accent-color);
    color: #000;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.video-card {
    background: var(--card-bg);
    border: 1px solid #2A2E39;
    border-radius: var(--border-radius);
    padding: 20px;
    cursor: pointer;
    transition: transform 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.video-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.video-card h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.play-badge {
    align-self: flex-start;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Modal Player */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 960px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.8);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: #12141A;
    border-bottom: 1px solid #2A2E39;
}

.close-btn {
    background: none;
    border: none;
    color: #FFF;
    font-size: 1.8rem;
    cursor: pointer;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    background: #000;
}

.video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Footer */
.main-footer {
    text-align: center;
    padding: 30px 0 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-top: 1px solid #1A1D24;
}

.footer-parent {
    margin-top: 5px;
}

.footer-parent a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.footer-parent a:hover {
    text-decoration: underline;
}