/*
Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
Click nbfs://nbhost/SystemFileSystem/Templates/ClientSide/css.css to edit this template
*/
/* 
    Created on : May 24, 2026, 5:17:53 PM
    Author     : lehan
*/
/* File: assets/css/global.css */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;700;800&display=swap');

:root {
    /* Colors based on Vibrant Academic Glass */
    --surface: #0b1326;
    --surface-glass: rgba(255, 255, 255, 0.05);
    --border-glass: rgba(255, 255, 255, 0.15);
    --on-surface: #dae2fd;
    --text-muted: #958da1;
    --primary: #d2bbff;
    --primary-container: #7c3aed;
    --secondary-container: #0566d9;
    --error: #ffb4ab;
    --error-container: #93000a;

    --btn-gradient: linear-gradient(135deg, var(--primary-container), var(--secondary-container));
    --font-main: 'Be Vietnam Pro', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-main);
}

body {
    background-color: var(--surface);
    color: var(--on-surface);
    min-height: 100vh;
    /* Hiệu ứng Atmosphere: Radial blur */
    background-image: radial-gradient(circle at 50% 0%, rgba(124, 58, 237, 0.15) 0%, transparent 60%);
    background-attachment: fixed;
}

/* --- Common Components --- */
.glass-panel {
    background: var(--surface-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
}

.btn-primary {
    background: var(--btn-gradient);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: opacity 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-outline {
    background: transparent;
    color: var(--on-surface);
    border: 1px solid var(--border-glass);
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-outline:hover {
    background: var(--surface-glass);
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(124, 58, 237, 0.2);
    border: 1px solid var(--primary-container);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
}

/* ========================================== */
/* TOAST MESSAGE CSS                          */
/* ========================================== */
#toast {
    visibility: hidden;
    min-width: 250px;
    background-color: #28a745; /* Màu xanh lá cây báo thành công */
    color: #fff;
    text-align: left;
    border-radius: 8px;
    padding: 16px 20px;
    position: fixed;
    z-index: 9999;
    right: 30px; /* Nằm ở góc dưới bên phải */
    bottom: 30px;
    font-size: 14px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s, transform 0.4s, visibility 0.4s;
}

/* Biểu tượng dấu tick */
.toast-icon {
    font-size: 18px;
    background: rgba(255, 255, 255, 0.2);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* Class kích hoạt hiệu ứng hiện */
#toast.show {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

/* Hiệu ứng gạch chân và in đậm cho menu đang chọn */
.nav-links a {
    transition: all 0.2s ease;
    padding-bottom: 4px; /* Khoảng cách từ chữ xuống đường gạch */
}

.nav-links a.active-nav {
    font-weight: 800; /* In đậm chữ */
    border-bottom: 3px solid currentColor; /* Gạch chân tự ăn theo màu chữ */
}

.nav-links a:hover {
    opacity: 0.8;
}