/* ============================= */
/* DESIGN SYSTEM VARIABLES */
/* ============================= */
:root {
    --black: #0b0b0b;
    --soft-black: #111;
    --gray-900: #1a1a1a;
    --gray-700: #444;
    --gray-500: #777;
    --gray-300: #e6e6e6;
    --gray-200: #f1f1f1;
    --bg: #f7f8fa;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    --shadow-sm: 0 4px 12px rgba(0,0,0,0.04);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);

    --transition-fast: 0.15s ease;
    --transition-med: 0.25s ease;
}

/* ============================= */
/* RESET */
/* ============================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ============================= */
/* BASE */
/* ============================= */
body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(180deg, #fafafa, var(--bg));
    color: var(--gray-900);
    line-height: 1.65;
}

/* ============================= */
/* NAVBAR */
/* ============================= */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 56px;
    background: linear-gradient(180deg, #000, #050505);
    border-bottom: 1px solid #111;
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

.navbar h1 {
    font-size: 20px;
    letter-spacing: 2px;
    font-weight: 700;
    color: #fff;
}

.navbar nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 28px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    opacity: 0.75;
    transition: opacity var(--transition-fast), text-shadow var(--transition-fast);
}

.navbar nav a:hover {
    opacity: 1;
    text-shadow: 0 0 8px rgba(255,255,255,0.2);
}

/* ============================= */
/* SEARCH BAR */
/* ============================= */
.search-bar {
    display: flex;
    justify-content: center;
    margin: 50px 0;
}

.search-bar input {
    width: 360px;
    padding: 13px 16px;
    border: 1px solid var(--gray-300);
    outline: none;
    font-size: 14px;
    border-radius: 10px 0 0 10px;
    background-color: #fff;
    color: var(--gray-900);
    transition: border var(--transition-fast), box-shadow var(--transition-fast);
}

.search-bar input:focus {
    border-color: #000;
    box-shadow: 0 0 0 3px rgba(0,0,0,0.08);
}

.search-bar button {
    padding: 13px 20px;
    border: 1px solid #000;
    border-left: none;
    background: linear-gradient(180deg, #000, #111);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    border-radius: 0 10px 10px 0;
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.search-bar button:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}

/* ============================= */
/* TITLES */
/* ============================= */
.title {
    text-align: center;
    margin-top: 30px;
    font-size: 42px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.sub-text {
    text-align: center;
    font-weight: 400;
    color: #666;
    margin-bottom: 60px;
    font-size: 16px;
}

/* ============================= */
/* SECTION HEADER */
/* ============================= */
h2 {
    margin-left: 56px;
    margin-bottom: 28px;
    font-size: 22px;
    font-weight: 600;
}

/* ============================= */
/* VIDEO CARD */
/* ============================= */
.video-card {
    display: flex;
    background: linear-gradient(180deg, #fff, #fcfcfc);
    margin: 0 56px 34px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: none;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(6px);
    transition: transform var(--transition-med), box-shadow var(--transition-med);
}

.video-card:hover {
    transform: translateY(-6px) scale(1.005);
    box-shadow: var(--shadow-md);
}

/* IMAGE */
.video-card img {
    width: 240px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.video-card:hover img {
    transform: scale(1.05);
}

/* VIDEO INFO */
.video-info {
    padding: 22px 24px;
}

.video-info h3 {
    margin-bottom: 8px;
    font-size: 19px;
    font-weight: 600;
}

.video-info p {
    font-size: 14px;
    color: #555;
    margin-bottom: 12px;
}

.video-info small {
    display: block;
    color: #777;
    margin-bottom: 16px;
    font-size: 12px;
    letter-spacing: 0.3px;
}

/* ============================= */
/* BUTTON */
/* ============================= */
.btn {
    display: inline-block;
    padding: 11px 20px;
    background: linear-gradient(180deg, #000, #111);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 13px;
    letter-spacing: 0.6px;
    box-shadow: 0 6px 16px rgba(0,0,0,0.2);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0,0,0,0.25);
}

/* ============================= */
/* LOGIN PAGE */
/* ============================= */
.login-page-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 70px);
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: linear-gradient(180deg, #fff, #fbfbfb);
    border-radius: 16px;
    padding: 44px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

.login-card h2 {
    margin-left: 0;
    text-align: center;
    margin-bottom: 32px;
}

/* INPUT GROUPS */
.input-group {
    margin-bottom: 22px;
}

.input-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}

.input-group input {
    width: 100%;
    padding: 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    background-color: #fff;
    transition: border var(--transition-fast), box-shadow var(--transition-fast);
}

.input-group input:focus {
    border-color: #000;
    box-shadow: 0 0 0 3px rgba(0,0,0,0.08);
}

/* LOGIN BUTTON */
.login-submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(180deg, #000, #111);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(0,0,0,0.25);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.login-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(0,0,0,0.3);
}

/* CREATE ACCOUNT BUTTON */
.create-account-btn {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: 14px;
    padding: 15px;
    background: linear-gradient(180deg, #f5f5f5, #eaeaea);
    color: #000;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid #ddd;
    box-shadow: 0 6px 14px rgba(0,0,0,0.08);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.create-account-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(0,0,0,0.15);
    background: linear-gradient(180deg, #ffffff, #f2f2f2);
}
/* ============================= */
/* VIDEO PAGE */
/* ============================= */
.video-page {
    max-width: 900px;
    margin: 60px auto;
    padding: 0 20px;
}

.video-page a.back-link {
    display: inline-block;
    margin-bottom: 24px;
    text-decoration: none;
    color: #000;
    font-size: 14px;
    font-weight: 500;
    opacity: 0.7;
}

.video-page a.back-link:hover {
    opacity: 1;
    text-decoration: underline;
}

.video-container video {
    width: 100%;
    border-radius: 16px;
    margin-bottom: 28px;
    box-shadow: var(--shadow-md);
}

.video-details {
    background: linear-gradient(180deg, #fff, #fbfbfb);
    border-radius: 16px;
    padding: 26px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.video-details h1 {
    font-size: 26px;
    margin-bottom: 12px;
}

.video-details .meta {
    font-size: 14px;
    color: #666;
    margin-bottom: 16px;
}

.video-details .meta span {
    margin-right: 14px;
}

.video-details p.description {
    font-size: 15px;
    color: #222;
    line-height: 1.7;
}

/* ============================= */
/* GLOBAL MICRO-ANIMATIONS */
/* ============================= */
* {
    transition: background-color 0.25s ease,
                color 0.25s ease,
                box-shadow 0.25s ease,
                transform 0.25s ease;
}

/* ============================= */
/* ADMIN PANEL LAYOUT */
/* ============================= */

.admin-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 40px;
}

.admin-title {
    font-size: 32px;
    margin-left: 0;
    margin-bottom: 40px;
}

.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr; /* Two equal columns */
    gap: 30px;
    align-items: start;
}

.admin-card {
    background: #fff;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    padding: 30px;
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
}

.card-header h3 {
    font-size: 20px;
    font-weight: 600;
}

/* ============================= */
/* UPLOAD FORM STYLES */
/* ============================= */

.upload-form .input-group {
    margin-bottom: 20px;
}

.upload-form label {
    display: block;
    font-size: 14px;
    color: var(--gray-700);
    margin-bottom: 8px;
    font-weight: 500;
}

.upload-form input[type="text"],
.upload-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    font-family: inherit;
}

/* Drag and Drop Zone */
.drop-zone {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-sm);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    margin-bottom: 25px;
    transition: background var(--transition-fast);
}

.drop-zone:hover {
    background: var(--gray-200);
}

.drop-zone p {
    font-size: 14px;
    margin: 10px 0 5px;
}

.drop-zone small {
    color: var(--gray-500);
    font-size: 12px;
}

.admin-submit-btn {
    width: 100%;
    padding: 16px;
    background: var(--soft-black);
    color: white;
    border: none;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    border-radius: 4px;
}

/* ============================= */
/* MANAGE VIDEOS LIST */
/* ============================= */

.video-list-container {
    max-height: 600px;
    overflow-y: auto;
    border-top: 1px solid var(--gray-200);
}

.video-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--gray-200);
}

.item-info h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.item-info small {
    color: var(--gray-500);
}

.delete-btn {
    background: transparent;
    border: none;
    color: #ff4d4d;
    font-size: 18px;
    cursor: pointer;
    padding: 8px;
    transition: transform 0.2s;
}

.delete-btn:hover {
    transform: scale(1.2);
}