/* ============================================================
   School AI - Unified Design System
   رنگ‌بندی: آبی فیروزه‌ای + نارنجی + پس‌زمینه روشن
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800&display=swap");

/* ===== متغیرهای رنگ ===== */
:root {
    --primary: #06b6d4;
    --primary-dark: #0891b2;
    --primary-light: #22d3ee;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --accent-light: #fbbf24;

    --bg-gradient: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 50%, #fef3c7 100%);
    --bg-card: #ffffff;
    --bg-input: #f8fafc;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --border: #e2e8f0;
    --border-focus: #06b6d4;

    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.15);
    --shadow-glow: 0 0 30px rgba(6, 182, 212, 0.3);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Vazirmatn', Tahoma, sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    direction: rtl;
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 960px;
    margin: 30px auto;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 30px 25px;
    text-align: center;
}

.header h1 { font-size: 1.9rem; font-weight: 700; margin-bottom: 8px; }

.login-form { padding: 50px 40px; max-width: 450px; margin: 0 auto; }
.form-group { margin-bottom: 22px; }
.form-group label { display: block; margin-bottom: 10px; font-weight: 600; color: var(--text-secondary); }

.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 14px 18px; border: 2px solid var(--border);
    border-radius: var(--radius-md); font-size: 1rem; font-family: inherit;
    background: var(--bg-input); transition: var(--transition);
}

.form-group input:focus, .form-group select:focus {
    outline: none; border-color: var(--border-focus); background: white;
    box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.12);
}

.btn {
    width: 100%; padding: 15px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white; border: none; border-radius: var(--radius-md);
    font-size: 1.05rem; font-weight: 600; cursor: pointer;
    font-family: inherit; transition: var(--transition);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }

.error-message {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b; padding: 14px 20px; border-radius: var(--radius-md);
    margin-bottom: 20px; text-align: center; border-right: 4px solid var(--error);
}

.role-selector { padding: 50px 40px; text-align: center; }
.role-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px; margin-top: 30px; }

.role-card {
    padding: 35px 25px; background: white; border: 2px solid var(--border);
    border-radius: var(--radius-lg); cursor: pointer; transition: var(--transition);
    text-decoration: none; color: var(--text-primary);
}
.role-card:hover { border-color: var(--primary); transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.role-card .icon { font-size: 3.5rem; margin-bottom: 18px; display: block; }
.role-card h3 { margin-bottom: 10px; color: var(--primary-dark); font-size: 1.3rem; font-weight: 700; }

.tabs { display: flex; background: #f8fafc; border-bottom: 2px solid var(--border); overflow-x: auto; }
.tab {
    flex: 1; min-width: 120px; padding: 16px 12px; text-align: center; cursor: pointer;
    font-weight: 600; color: var(--text-secondary); border-bottom: 3px solid transparent;
    transition: var(--transition); white-space: nowrap;
}
.tab.active { color: var(--primary); border-bottom-color: var(--primary); background: white; }

.tab-content { display: none; padding: 30px; }
.tab-content.active { display: block; }

.chat-container { display: flex; flex-direction: column; height: 500px; }
.chat-messages { flex: 1; overflow-y: auto; padding: 25px; background: linear-gradient(to bottom, #f8fafc 0%, #f1f5f9 100%); }
.message { margin-bottom: 18px; display: flex; flex-direction: column; }
.message.user { align-items: flex-start; }
.message.assistant { align-items: flex-end; }

.message-bubble {
    max-width: 78%; padding: 14px 20px; border-radius: var(--radius-lg);
    line-height: 1.7; white-space: pre-wrap;
}
.message.user .message-bubble {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}
.message.assistant .message-bubble { background: white; border: 1px solid var(--border); }

.chat-input-area { padding: 18px; background: white; border-top: 2px solid var(--border); display: flex; gap: 12px; }
.chat-input-area input { flex: 1; padding: 14px 20px; border: 2px solid var(--border); border-radius: 30px; font-size: 1rem; font-family: inherit; }
.chat-input-area button {
    padding: 14px 28px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white; border: none; border-radius: 30px; cursor: pointer; font-weight: 600; font-family: inherit;
}

.suggestions { padding: 14px 18px; background: #f8fafc; display: flex; flex-wrap: wrap; gap: 10px; border-top: 1px solid var(--border); }
.suggestion-btn {
    padding: 9px 16px; background: white; border: 2px solid var(--primary);
    color: var(--primary); border-radius: 25px; cursor: pointer; font-family: inherit; transition: var(--transition);
}
.suggestion-btn:hover { background: var(--primary); color: white; }

.user-bar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white; padding: 15px 25px; display: flex; justify-content: space-between; align-items: center;
}
.user-bar button {
    padding: 8px 20px; background: rgba(255,255,255,0.2); color: white;
    border: 2px solid white; border-radius: 20px; cursor: pointer; font-family: inherit;
}

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 18px; margin-bottom: 25px; }
.stat-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white; padding: 25px; border-radius: var(--radius-lg); text-align: center;
}
.stat-card .number { font-size: 2.5rem; font-weight: 700; margin-bottom: 6px; }

.report-card { background: white; border: 2px solid var(--border); border-radius: var(--radius-md); padding: 22px; margin-bottom: 15px; }
.report-card h4 { color: var(--primary-dark); margin-bottom: 10px; }

.status { display: inline-block; padding: 5px 16px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; }
.status.pending { background: #fef3c7; color: #92400e; }
.status.approved { background: #d1fae5; color: #065f46; }

/* ===== کلاس‌های تکمیلی برای پنل مدیر ===== */
.table-wrapper { overflow-x: auto; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
table { width: 100%; border-collapse: collapse; background: white; }
table thead { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: white; }
table th { padding: 14px 16px; text-align: right; font-weight: 600; }
table td { padding: 12px 16px; border-bottom: 1px solid var(--border); }

.scan-button {
    width: 100%; padding: 18px; background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: white; border: none; border-radius: var(--radius-lg); font-size: 1.1rem; font-weight: 700;
    cursor: pointer; margin-bottom: 20px; font-family: inherit; transition: var(--transition);
}
.scan-button:hover { transform: translateY(-2px); box-shadow: 0 10px 25px rgba(245, 158, 11, 0.4); }

.btn-approve, .btn-reject {
    padding: 8px 18px; border: none; border-radius: var(--radius-sm); cursor: pointer;
    font-family: inherit; font-weight: 600; font-size: 0.9rem; color: white; transition: var(--transition);
}
.btn-approve { background: linear-gradient(135deg, var(--success) 0%, #059669 100%); }
.btn-reject { background: linear-gradient(135deg, var(--error) 0%, #dc2626 100%); }
.btn-approve:hover, .btn-reject:hover { transform: translateY(-2px); }
.report-actions { margin-top: 15px; display: flex; gap: 10px; }

.typing-indicator { display: inline-flex; gap: 5px; padding: 14px 20px; background: white; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.typing-indicator span { width: 8px; height: 8px; background: var(--primary); border-radius: 50%; animation: typing 1.4s infinite; }
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing { 0%, 60%, 100% { transform: translateY(0); opacity: 0.4; } 30% { transform: translateY(-8px); opacity: 1; } }