/**
 * Common Styles - Shared CSS for all pages
 * Contains CSS variables, reset styles, and common component styles
 */

/* CSS Variables - Modern Black Theme */
:root {
    --bg-primary: #000000;
    --bg-secondary: #0A0A0A;
    --bg-tertiary: #0f0f0f;
    --text-primary: #ffffff;
    --text-secondary: #a1a1a1;
    --text-tertiary: #71717a;
    --accent-blue: #ffffff;
    --accent-hover: #e6e6e6;
    --accent-green: #22c55e;
    --accent-green-hover: #16a34a;
    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --success-color: #22c55e;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    background-image:
        radial-gradient(at 0% 0%, rgba(50, 50, 50, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(35, 134, 54, 0.05) 0px, transparent 50%);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 10px;
    align-items: center;
}

.language-btn {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s ease;
}

.language-btn:hover {
    border-color: var(--accent-blue);
    color: var(--text-primary);
}

.language-btn.active {
    background: var(--accent-blue);
    color: #000000;
    border-color: var(--accent-blue);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
    background-color: var(--bg-secondary);
    margin: 15% auto;
    padding: 30px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 400px;
    max-width: 90%;
    position: relative;
}

.modal-header {
    margin-bottom: 20px;
    text-align: center;
}

.modal-header h3 {
    color: var(--text-primary);
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.modal-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.modal-buttons {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.close {
    position: absolute;
    right: 15px;
    top: 15px;
    color: var(--text-secondary);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: var(--text-primary);
}

/* Form Styles */
.form-group {
    margin-bottom: 15px;
}

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

.form-control {
    width: 100%;
    padding: 10px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(35, 134, 54, 0.1);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(35, 134, 54, 0.3);
}

.btn:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: none;
    box-shadow: none;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--bg-tertiary);
    border-top: 2px solid var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .container {
        padding: 10px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .modal-content {
        padding: 20px;
    }
}