/* فونت وزیر و تم آبی */

:root {
    --primary: #113359;
    --light-primary: #15406B;
    --dark-primary: #0F243F;
    --border: #275E85;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    --light: #f8f9fa;
    --dark: #343a40;
}

body {
    font-family: 'Vazirmatn FD', sans-serif;
    background-color: #f0f8ff;
    background-image: linear-gradient(135deg, var(--light-primary) 25%, transparent 25%),
    linear-gradient(225deg, var(--light-primary) 25%, transparent 25%),
    linear-gradient(315deg, var(--light-primary) 25%, transparent 25%),
    linear-gradient(45deg, var(--light-primary) 25%, transparent 25%);
    background-size: 100px 100px;
    background-position: 0 0, 0 50px, 50px -50px, -50px 0px;
    background-blend-mode: overlay;
}

/* کارت لاگین */
.login-card {
    border-radius: 15px;
    border: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0, 82, 178, 0.2);
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(3px);
}

.login-header {
    background: linear-gradient(135deg, var(--primary), var(--light-primary));
    padding: 1.5rem;
    text-align: center;
    color: white;
    border-bottom: 3px solid var(--border);
}

/* دکمه‌ها */
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--light-primary);
    border-color: var(--light-primary);
    transform: translateY(-2px);
}

/* فیلدهای فرم */
.form-control {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 15px;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: var(--light-primary);
    box-shadow: 0 0 0 0.25rem rgba(17, 51, 89, 0.25);
}

/* واترمارک */
.watermark {
    position: absolute;
    bottom: 20px;
    right: 20px;
    opacity: 0.1;
    z-index: -1;
}

/* انیمیشن قطره آب */
.water-effect {
    position: relative;
    transition: all 0.3s ease;
}

.water-effect::after {
    content: '\F61E'; /* کد آیکون قطره آب در Bootstrap Icons */
    font-family: 'bootstrap-icons', serif;
    position: absolute;
    right: -10px;
    bottom: -10px;
    font-size: 1.5rem;
    color: var(--light-primary);
    opacity: 0;
    transition: opacity 0.3s;
}

.water-effect:hover::after {
    opacity: 0.3;
}