/**
 * Media Display Application - Main Styles
 * 
 * License: This software is provided under a proprietary license.
 * Unauthorized reproduction, distribution, or sale of this software is strictly prohibited.
 * Use of this software is permitted only with a valid license obtained through proper purchase.
 */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    width: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    overflow: hidden;
}

/* Themes */
.theme-dark {
    --bg-color: #121212;
    --text-color: #f5f5f5;
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --surface-color: #1e1e1e;
    --surface-light: #2d2d2d;
    --border-color: #333333;
    --input-bg: #2d2d2d;
    --shadow-color: rgba(0, 0, 0, 0.5);
}

.theme-light {
    --bg-color: #f5f5f5;
    --text-color: #333333;
    --primary-color: #3498db;
    --secondary-color: #95a5a6;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --surface-color: #ffffff;
    --surface-light: #ecf0f1;
    --border-color: #dddddd;
    --input-bg: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    color: var(--text-color);
    background-color: var(--bg-color);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 600;
}

h1 {
    font-size: 2.25rem;
}

h2 {
    font-size: 1.8rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border-radius: 0.25rem;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
}

.primary-btn:hover {
    background-color: #2980b9;
    color: white;
    text-decoration: none;
}

.secondary-btn {
    background-color: var(--secondary-color);
    color: white;
}

.secondary-btn:hover {
    background-color: #34495e;
    color: white;
    text-decoration: none;
}

.danger-btn {
    background-color: var(--danger-color);
    color: white;
}

.danger-btn:hover {
    background-color: #c0392b;
    color: white;
    text-decoration: none;
}

.btn i {
    margin-right: 0.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="email"],
input[type="file"],
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="email"]:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

input[type="color"] {
    height: 2.5rem;
    padding: 0.25rem;
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    background-color: var(--input-bg);
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-group label {
    margin-bottom: 0;
    margin-left: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 0.5rem;
}

/* Alerts */
.alert {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
}

.alert i {
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

.success {
    background-color: rgba(46, 204, 113, 0.2);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.error {
    background-color: rgba(231, 76, 60, 0.2);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.warning {
    background-color: rgba(243, 156, 18, 0.2);
    color: var(--warning-color);
    border: 1px solid var(--warning-color);
}

/* Utils */
.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: 0.25rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-3 {
    margin-top: 1rem;
}

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

.mt-5 {
    margin-top: 3rem;
}

.mb-1 {
    margin-bottom: 0.25rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.mb-5 {
    margin-bottom: 3rem;
}

.hidden {
    display: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .btn {
        padding: 0.5rem 1rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
}