/* Khmer Fonts - Using web-safe fonts for now */
/* Note: Khmer fonts will be added in production */

/* CSS Variables for Khmer-inspired theme */
:root {
    --primary-gold: #D4AF37;
    --secondary-gold: #F4E4BC;
    --accent-gold: #B8860B;
    --dark-gold: #8B6914;
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --gray: #6C757D;
    --dark-gray: #343A40;
    --success: #28A745;
    --warning: #FFC107;
    --danger: #DC3545;
    --info: #17A2B8;
    
    --header-font: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --content-font: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --body-font: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    
    /* Settings-specific variables */
    --primary-color: var(--primary-gold);
    --secondary-color: var(--secondary-gold);
    --accent-color: var(--accent-gold);
    --border-color: var(--light-gray);
    --text-primary: var(--dark-gray);
    --text-secondary: var(--gray);
    --background-light: var(--white);
    --border-radius: 8px;
    --font-khmer: var(--body-font);
    --font-khmer-header: var(--header-font);
    --danger-color: var(--danger);
    --success-color: var(--success);
    --warning-color: var(--warning);
    --info-color: var(--info);
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--body-font);
    background: linear-gradient(135deg, var(--secondary-gold) 0%, var(--white) 100%);
    min-height: 100vh;
    color: var(--dark-gray);
}

/* Loading Screen */
.loading-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, var(--secondary-gold) 0%, var(--white) 100%);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--light-gray);
    border-top: 4px solid var(--primary-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Header Styles */
.header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo-image {
    max-height: 50px;
    max-width: 200px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

.logo-image:hover {
    opacity: 0.9;
}

/* Responsive logo sizing */
@media (max-width: 768px) {
    .logo-image {
        max-height: 40px;
        max-width: 160px;
    }
}

@media (max-width: 480px) {
    .logo-image {
        max-height: 35px;
        max-width: 140px;
    }
}

.logo h1 {
    font-family: var(--header-font);
    color: var(--primary-gold);
    font-size: 1.5rem;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.language-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--light-gray);
    border: 1px solid var(--gray);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-toggle:hover {
    background: var(--secondary-gold);
}

.language-toggle img {
    width: 20px;
    height: 15px;
}

/* Card Styles */
.card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--secondary-gold);
}

.card-title {
    font-family: var(--header-font);
    color: var(--dark-gold);
    font-size: 1.25rem;
    font-weight: bold;
}

.card-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
}

/* Button Styles */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-family: var(--content-font);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--accent-gold);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--light-gray);
    color: var(--dark-gray);
    border: 1px solid var(--gray);
}

.btn-secondary:hover {
    background: var(--secondary-gold);
}

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

.btn-warning {
    background: var(--warning);
    color: var(--dark-gray);
}

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

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-gray);
    font-family: var(--content-font);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-family: var(--content-font);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-family: var(--content-font);
    font-size: 1rem;
    background: var(--white);
    cursor: pointer;
}

.form-help {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 0.25rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: flex-end;
}

.form-actions .btn {
    min-width: 120px;
}

/* Grid Layout */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .header-controls {
        width: 100%;
        justify-content: center;
    }
    
    .card {
        padding: 1rem;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

.slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}