/* Base styles */
:root {
    --primary-color: #4472C4;
    --primary-hover: #3561A8;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --error-color: #dc3545;
    --text-color: #333;
    --text-muted: #6c757d;
    --bg-color: #f5f7fa;
    --card-bg: #ffffff;
    --border-color: #e1e5eb;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --radius: 12px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-color) 0%, #e8ecf3 100%);
    min-height: 100vh;
    color: var(--text-color);
    direction: rtl;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 20px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Card styles */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    width: 100%;
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.card-header h1 {
    font-size: 1.75rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.card-header .subtitle {
    opacity: 0.9;
    font-size: 0.95rem;
}

.card-body {
    padding: 30px;
}

.card-footer {
    background: #f8f9fa;
    padding: 20px 30px;
    border-top: 1px solid var(--border-color);
}

.card-footer h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--text-color);
}

.card-footer ol {
    padding-right: 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
}

/* Form styles */
.form-group {
    margin-bottom: 20px;
}

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

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
    resize: vertical;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(68, 114, 196, 0.15);
}

.help-text {
    display: block;
    margin-top: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Button styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(68, 114, 196, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Alert styles */
.alert {
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Error styles */
.error-list {
    margin-top: 8px;
}

.error {
    display: block;
    color: var(--error-color);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 480px) {
    .container {
        padding: 20px 15px;
    }
    
    .card-header {
        padding: 24px 20px;
    }
    
    .card-header h1 {
        font-size: 1.5rem;
    }
    
    .card-body {
        padding: 24px 20px;
    }
    
    .card-footer {
        padding: 16px 20px;
    }
}