:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --danger: #ef4444;
    --bg: #f1f5f9;
    --card-bg: #ffffff;
    --text-main: #0f172a;
    --text-muted: #475569;
    --border: #cbd5e1;
}

body {
    font-family: 'VazirMatn', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    box-sizing: border-box;
}

*, *:before, *:after {
    box-sizing: inherit;
}

.wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    width: 100%;
}

.login-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px 20px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.login-card h2 {
    margin-top: 0;
    font-size: 18px;
    color: var(--text-main);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 16px;
    text-align: right;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 16px; /* سایز ۱۶ پیکسل برای جلوگیری از زوم خودکار در آیفون */
    transition: border-color 0.2s;
    text-align: center;
    direction: ltr;
    font-family: 'VazirMatn', sans-serif;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

.btn {
    width: 100%;
    padding: 12px;
    background-color: var(--primary);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
    font-family: 'VazirMatn', sans-serif;
}

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

.alert {
    padding: 12px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 20px;
    text-align: right;
}

.alert-danger {
    background-color: #fef2f2;
    color: var(--danger);
    border: 1px solid #fca5a5;
}

.alert-info {
    background-color: #f0fdf4;
    color: #16a34a;
    border: 1px solid #86efac;
}

/* بخش هدر و ناوبری تایم‌لاین */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--card-bg);
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    width: 100%;
}

.navbar-brand {
    font-weight: bold;
    font-size: 15px;
}

.btn-logout {
    background-color: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    text-decoration: none;
    transition: all 0.2s;
    font-family: 'VazirMatn', sans-serif;
    white-space: nowrap;
}

.btn-logout:hover {
    background-color: var(--danger);
    color: #fff;
}

/* ساختار واکنش‌گرای تایم‌لاین */
.timeline-container {
    width: 100%;
    max-width: 800px;
    margin: 30px auto;
    padding: 0 15px;
}

.timeline {
    position: relative;
    padding-right: 24px;
    border-right: 3px solid var(--border);
    margin-right: 6px;
    margin-top: 20px;
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    right: -32px;
    top: 18px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--card-bg);
    border: 4px solid var(--primary);
    z-index: 1;
    transition: all 0.2s ease;
}

.timeline-item:hover::before {
    background-color: var(--primary);
    transform: scale(1.2);
}

.timeline-content {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}

.timeline-date {
    display: inline-block;
    background-color: #eff6ff;
    color: var(--primary);
    font-size: 12px;
    font-weight: bold;
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: 10px;
}

.timeline-title {
    font-size: 15px;
    font-weight: bold;
    margin: 0 0 8px 0;
}

.timeline-desc {
    font-size: 13.5px;
    color: var(--text-muted);
    margin: 0;
    text-align: justify;
    line-height: 1.7;
}

.status-alert .timeline-date {
    background-color: #fef2f2;
    color: var(--danger);
}

.status-alert::before {
    border-color: var(--danger);
}

/* تنظیمات اختصاصی موبایل‌های کوچک */
@media (max-width: 576px) {
    body {
        font-size: 14px;
    }

    .wrapper {
        padding: 15px;
    }

    .login-card {
        padding: 25px 15px;
    }

    .navbar {
        padding: 12px 15px;
    }

    .navbar-brand {
        font-size: 14px;
    }

    .timeline-container {
        padding: 0 10px;
        margin: 20px auto;
    }

    .timeline {
        padding-right: 18px;
        margin-right: 4px;
    }

    .timeline-item::before {
        right: -25px;
        width: 10px;
        height: 10px;
        border-width: 3px;
        top: 16px;
    }

    .timeline-content {
        padding: 15px;
    }

    .timeline-title {
        font-size: 14px;
    }

    .timeline-desc {
        font-size: 13px;
    }
}