/* FILE: /assets/css/style.css (Chuẩn LiquiD Glass 2.0) */

:root {
    /* MÀU SẮC */
    --primary: #3296fa;
    --primary-dark: #1e70d6;
    --white: #ffffff;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;

    /* KÍCH THƯỚC & UI */
    --sidebar-w: 260px;
    --sidebar-mini-w: 80px;
    --navbar-h: 60px;
    --touch-target: 42px; /* Chuẩn ngón tay chạm Mobile */
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
    --blur: blur(20px);
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* BIẾN SỐ LIGHT MODE */
    --text-main: #0f172a;
    --text-muted: #64748b;
    --bg-deep: #f8fafc;
    --sidebar-bg: rgba(255, 255, 255, 0.8);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
    --input-bg: rgba(255, 255, 255, 0.9);
    --input-border: rgba(0, 0, 0, 0.15);
}

html[data-theme="dark"] {
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --bg-deep: #070e1a;
    --sidebar-bg: rgba(15, 23, 42, 0.85);
    --glass-bg: rgba(30, 41, 59, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --input-bg: rgba(0, 0, 0, 0.4);
    --input-border: rgba(255, 255, 255, 0.15);
}

/* ================== RESET & CẤU TRÚC ================== */
* { box-sizing: border-box; outline: none; }
body {
    margin: 0; padding: 0; font-family: 'Inter', sans-serif;
    background-color: var(--bg-deep); color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition-smooth); }

/* Chống vỡ Layout trên Mobile */
.main-content {
    width: 100%;
    overflow-x: hidden;
    padding: 20px;
}

/* Fluid Layout Grid */
.grid-fluid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

/* ================== GLASSMORPHISM COMPONENTS ================== */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: var(--radius-lg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    padding: 24px;
    margin-bottom: 24px;
}

/* Bảng dữ liệu thích ứng (Responsive Table) */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch; /* Cuộn mượt trên iOS */
}
.glass-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; white-space: nowrap; }
.glass-table th { padding: 15px; color: var(--text-muted); text-transform: uppercase; font-size: 12px; border-bottom: 1px solid var(--glass-border); }
.glass-table td { padding: 15px; border-bottom: 1px solid var(--glass-border); color: var(--text-main); }

/* ================== TOUCH TARGETS (Nút & Input) ================== */
.fl-input, .btn-primary, .btn-outline {
    min-height: var(--touch-target);
    padding: 0 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: var(--transition-smooth);
}
.fl-input { width: 100%; background: var(--input-bg); border: 1px solid var(--input-border); color: var(--text-main); }
.fl-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(50,150,250,0.1); }

.btn-primary {
    background: var(--primary); color: var(--white);
    border: none; font-weight: 600; cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-primary:active { transform: scale(0.98); }

/* ================== MODAL TRƯỢT MƯỢT MÀ ================== */
.modal-backdrop {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(0, 0, 0, 0.4); backdrop-filter: blur(4px);
    opacity: 0; visibility: hidden;
    transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
    display: flex; justify-content: center; align-items: flex-end; /* Mặc định Mobile: Đáy màn hình */
}
.modal-box {
    width: 100%; max-width: 500px;
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0; /* Bo tròn phía trên cho Mobile */
    transform: translateY(100%);
    transition: transform var(--transition-smooth);
    display: flex; flex-direction: column;
    max-height: 90vh;
}
.modal-backdrop.show { opacity: 1; visibility: visible; }
.modal-backdrop.show .modal-box { transform: translateY(0); }

/* Modal Desktop: Căn giữa màn hình */
@media (min-width: 768px) {
    .modal-backdrop { align-items: center; }
    .modal-box {
        border-radius: var(--radius-lg);
        transform: translateY(30px) scale(0.95);
    }
    .modal-backdrop.show .modal-box { transform: translateY(0) scale(1); }
}

.modal-header { padding: 20px; border-bottom: 1px solid var(--glass-border); display: flex; justify-content: space-between; align-items: center; }
.modal-body { padding: 20px; overflow-y: auto; }
.modal-footer { padding: 20px; border-top: 1px solid var(--glass-border); display: flex; gap: 10px; justify-content: flex-end; }

/* ================== UTILITIES CHUẨN ================== */
.text-primary { color: var(--primary); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-muted); }
.font-bold { font-weight: 700; }
.text-2xl { font-size: 28px; margin: 0; }
.mb-15 { margin-bottom: 15px; }
.mb-25 { margin-bottom: 25px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.badge { padding: 4px 8px; border-radius: 4px; font-size: 11px; font-weight: bold; }
.badge-warning { background: rgba(245,158,11,0.1); color: var(--warning); }
/* =========================================
   TRANG ĐĂNG NHẬP (AUTH LIQUID GLASS)
   ========================================= */
.auth-page-body {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; background: var(--bg-deep); padding: 20px;
    position: relative; overflow: hidden;
}

/* Các khối hình khối làm nền mờ (Background Shapes) */
.bg-shape {
    position: absolute; border-radius: 50%; filter: blur(80px);
    z-index: 0; opacity: 0.5; animation: floatShape 10s infinite alternate ease-in-out;
}
.shape-1 { width: 40vw; height: 40vw; background: var(--primary); top: -10vw; left: -10vw; }
.shape-2 { width: 35vw; height: 35vw; background: var(--warning); bottom: -5vw; right: -10vw; animation-delay: -3s; }
.shape-3 { width: 25vw; height: 25vw; background: var(--success); top: 20%; right: 15%; opacity: 0.3; animation-delay: -5s; }

@keyframes floatShape {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -50px) scale(1.1); }
}

/* Khung form đăng nhập (Fix lỗi vỡ khung) */
.auth-box {
    width: 100%; max-width: 420px; padding: 45px 35px;
    position: relative; z-index: 1;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: var(--radius-lg);
    box-sizing: border-box; /* Bắt buộc để không tràn viền */
}

.auth-logo { font-size: 32px; margin: 0 0 5px 0; letter-spacing: 1px; }

/* Thẻ Input có Icon (Fix lỗi input nhỏ) */
.auth-input-group { width: 100%; margin-bottom: 16px; position: relative; box-sizing: border-box; }
.auth-input-group i {
    position: absolute; left: 16px; top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted); font-size: 16px;
    transition: 0.3s;
}
.auth-input-group .fl-input {
    width: 100%; height: 48px;
    padding: 10px 15px 10px 45px; /* Khoảng trống cho Icon bên trái */
    background: var(--input-bg); border: 1px solid var(--input-border);
    color: var(--text-main); border-radius: var(--radius-md);
    font-size: 14px; box-sizing: border-box; transition: 0.3s; outline: none;
}
.auth-input-group .fl-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(50,150,250,0.1); }
.auth-input-group .fl-input:focus + i,
.auth-input-group .fl-input:valid + i { color: var(--primary); }

/* Khối Checkbox & Quên MK (Fix lỗi dính chữ) */
.auth-actions {
    display: flex; justify-content: space-between; align-items: center;
    width: 100%; margin-bottom: 24px; font-size: 14px; box-sizing: border-box;
}
.auth-actions label { display: flex; align-items: center; gap: 8px; cursor: pointer; color: var(--text-main); font-weight: 600; margin: 0; }
.auth-actions .fl-checkbox { width: 18px; height: 18px; accent-color: var(--primary); margin: 0; cursor: pointer; }

/* Nút Đăng nhập Full Width (Fix lỗi nút bé) */
.btn-login-full {
    width: 100%; height: 50px;
    background: var(--primary); color: white;
    border: none; border-radius: var(--radius-md);
    font-size: 15px; font-weight: bold; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: 0.3s; box-shadow: 0 8px 20px rgba(50, 150, 250, 0.3);
    box-sizing: border-box;
}
.btn-login-full:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 25px rgba(50, 150, 250, 0.5); }

/* Điều chỉnh Dark Mode */
html[data-theme="dark"] .bg-shape { opacity: 0.2; }
html[data-theme="dark"] .auth-box { background: rgba(15, 23, 42, 0.6); }
/* --- FIX LỖI UI ĐĂNG NHẬP / ĐĂNG KÝ --- */
.btn-login-full i {
    margin-right: 8px !important; /* Tách icon ra khỏi chữ */
}

.auth-footer {
    margin-top: 25px !important;
    padding-top: 20px;
    border-top: 1px dashed var(--glass-border);
    text-align: center !important;
    width: 100%;
    display: block;
}

/* Khoảng cách cho icon bên trong thẻ input */
.auth-input-group i {
    margin-top: 0;
}
/* =========================================
   REAL-TIME VALIDATION UI (ĐĂNG KÝ)
   ========================================= */
.input-error-msg {
    color: var(--danger);
    font-size: 11px;
    font-weight: 700;
    margin-top: 5px;
    margin-left: 5px;
    display: none;
    animation: slideDown 0.2s ease;
}

/* Đổi màu viền khi có lỗi / thành công */
.auth-input-group .fl-input.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}
.auth-input-group .fl-input.is-invalid + i { color: var(--danger); }

.auth-input-group .fl-input.is-valid {
    border-color: var(--success);
}
.auth-input-group .fl-input.is-valid + i { color: var(--success); }

/* Checklist Mật khẩu */
.pwd-checklist {
    list-style: none; padding: 0; margin: 10px 0 15px 5px;
    font-size: 11px; color: var(--text-muted);
}
.pwd-checklist li {
    margin-bottom: 5px; display: flex; align-items: center; gap: 8px;
    transition: var(--transition-smooth);
}
.pwd-checklist li i { font-size: 12px; }
.pwd-checklist li.pass { color: var(--success); font-weight: bold; }
.pwd-checklist li.fail { color: var(--text-muted); }
/* =========================================
   AUTH PAGES (ĐĂNG NHẬP & ĐĂNG KÝ)
   Chuẩn LiquiD Glass 2.0
   ========================================= */
.auth-page-body {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; background: var(--bg-deep); padding: 20px;
    position: relative; overflow: hidden;
}

/* Các mảng màu nền hắt sáng (Background Shapes 3D) */
.bg-shape {
    position: absolute; border-radius: 50%; filter: blur(80px);
    z-index: 0; opacity: 0.5; animation: floatShape 10s infinite alternate ease-in-out;
}
.shape-1 { width: 40vw; height: 40vw; background: var(--primary); top: -10vw; left: -10vw; }
.shape-2 { width: 35vw; height: 35vw; background: var(--warning); bottom: -5vw; right: -10vw; animation-delay: -3s; }
.shape-3 { width: 25vw; height: 25vw; background: var(--success); top: 20%; right: 15%; opacity: 0.3; animation-delay: -5s; }

@keyframes floatShape {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -50px) scale(1.1); }
}

/* Khung form bao ngoài */
.auth-box {
    width: 100%; max-width: 420px; padding: 45px 35px;
    position: relative; z-index: 1; box-sizing: border-box;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: var(--radius-lg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
}

.auth-logo { font-size: 32px; margin: 0 0 5px 0; letter-spacing: 1px; }

/* Input có Icon bên trong */
.auth-input-group { width: 100%; margin-bottom: 16px; position: relative; box-sizing: border-box; }
.auth-input-group i {
    position: absolute; left: 16px; top: 24px; /* Fix cứng giữa thay vì 50% tránh lỗi nếu có label dưới */
    transform: translateY(-50%);
    color: var(--text-muted); font-size: 16px;
    transition: var(--transition-smooth);
}
.auth-input-group .fl-input {
    width: 100%; height: 48px;
    padding: 10px 15px 10px 45px;
    background: var(--input-bg); border: 1px solid var(--input-border);
    color: var(--text-main); border-radius: var(--radius-md);
    font-size: 14px; box-sizing: border-box; transition: var(--transition-smooth); outline: none;
}
.auth-input-group .fl-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(50,150,250,0.1); }
.auth-input-group .fl-input:focus + i,
.auth-input-group .fl-input:valid + i { color: var(--primary); }

/* Khối Hành động (Nhớ đăng nhập, Quên MK) */
.auth-actions {
    display: flex; justify-content: space-between; align-items: center;
    width: 100%; margin-bottom: 24px; font-size: 14px; box-sizing: border-box;
}
.auth-actions label { display: flex; align-items: center; gap: 8px; cursor: pointer; color: var(--text-main); font-weight: 600; margin: 0; }
.auth-actions .fl-checkbox { width: 18px; height: 18px; accent-color: var(--primary); margin: 0; cursor: pointer; }

/* Nút bấm Full */
.btn-login-full {
    width: 100%; height: 50px;
    background: var(--primary); color: white;
    border: none; border-radius: var(--radius-md);
    font-size: 15px; font-weight: bold; cursor: pointer;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    transition: var(--transition-smooth); box-shadow: 0 8px 20px rgba(50, 150, 250, 0.3);
    box-sizing: border-box;
}
.btn-login-full:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 25px rgba(50, 150, 250, 0.5); }
.btn-login-full:disabled { opacity: 0.5; pointer-events: none; }

/* Footer (Đăng ký/Đăng nhập) */
.auth-footer {
    margin-top: 25px !important;
    padding-top: 20px;
    border-top: 1px dashed var(--glass-border);
    text-align: center !important;
    width: 100%;
    display: block;
    font-size: 13px; color: var(--text-muted);
}
.auth-footer a { color: var(--primary); font-weight: bold; }
.auth-footer a:hover { text-decoration: underline; }

/* =========================================
   REAL-TIME VALIDATION UI (ĐĂNG KÝ)
   ========================================= */
.input-error-msg {
    color: var(--danger);
    font-size: 11px;
    font-weight: 700;
    margin-top: 5px;
    margin-left: 5px;
    display: none;
    animation: slideDown 0.2s ease;
}

/* Đổi màu viền khi có lỗi / thành công */
.auth-input-group .fl-input.is-invalid { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1); }
.auth-input-group .fl-input.is-invalid + i { color: var(--danger); }

.auth-input-group .fl-input.is-valid { border-color: var(--success); }
.auth-input-group .fl-input.is-valid + i { color: var(--success); }

/* Checklist Mật khẩu */
.pwd-checklist { list-style: none; padding: 0; margin: 10px 0 15px 5px; font-size: 11px; color: var(--text-muted); }
.pwd-checklist li { margin-bottom: 5px; display: flex; align-items: center; gap: 8px; transition: var(--transition-smooth); }
.pwd-checklist li i { font-size: 12px; }
.pwd-checklist li.pass { color: var(--success); font-weight: bold; }
.pwd-checklist li.fail { color: var(--text-muted); }

/* Điều chỉnh Dark Mode cho Auth */
html[data-theme="dark"] .bg-shape { opacity: 0.2; }
html[data-theme="dark"] .auth-box { background: rgba(15, 23, 42, 0.6); }
/* =========================================
   LAYOUT CHÍNH (SIDEBAR & NAVBAR)
   ========================================= */
.sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--sidebar-w);
    background: var(--sidebar-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-right: 1px solid var(--glass-border);
    transition: width var(--transition-smooth), transform var(--transition-smooth);
    z-index: 100;
    display: flex; flex-direction: column;
}

.sidebar-header {
    height: var(--navbar-h);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 20px; border-bottom: 1px solid var(--glass-border);
}

.pin-btn {
    background: transparent; border: none; color: var(--text-muted);
    cursor: pointer; font-size: 18px; transition: var(--transition-smooth);
}
.pin-btn:hover { color: var(--primary); }

.sidebar-menu { padding: 15px 10px; flex: 1; overflow-y: auto; }
.menu-item {
    display: flex; align-items: center; padding: 12px 15px;
    color: var(--text-main); border-radius: var(--radius-md);
    margin-bottom: 5px; font-weight: 500; font-size: 14px;
}
.menu-item:hover { background: rgba(50, 150, 250, 0.05); color: var(--primary); }
.menu-item.active { background: var(--primary); color: var(--white); box-shadow: 0 4px 10px rgba(50, 150, 250, 0.3); }
.menu-icon { width: 30px; font-size: 16px; text-align: center; }

/* Thu gọn Sidebar */
html.sidebar-collapsed .sidebar { width: var(--sidebar-mini-w); }
html.sidebar-collapsed .menu-text, html.sidebar-collapsed .app-logo-title { display: none; }
html.sidebar-collapsed .main-wrapper { margin-left: var(--sidebar-mini-w); }

.main-wrapper {
    margin-left: var(--sidebar-w);
    transition: margin-left var(--transition-smooth);
    min-height: 100vh;
    display: flex; flex-direction: column;
}

/* Thanh điều hướng Navbar */
.top-navbar {
    height: var(--navbar-h);
    background: var(--sidebar-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-bottom: 1px solid var(--glass-border);
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 25px; position: sticky; top: 0; z-index: 99;
}

.nav-right { display: flex; align-items: center; gap: 15px; }
.nav-icon-btn { background: transparent; border: none; font-size: 18px; color: var(--text-muted); cursor: pointer; transition: 0.2s; }
.nav-icon-btn:hover { color: var(--primary); }
.nav-divider { width: 1px; height: 24px; background: var(--glass-border); }

/* Thông tin tài khoản góc phải */
.user-info { text-align: right; }
.user-name { margin: 0; font-size: 14px; color: var(--text-main); }
.user-role { font-size: 11px; color: var(--text-muted); }
.user-profile-wrapper { position: relative; cursor: pointer; }
.profile-dropdown {
    position: absolute; top: 120%; right: 0;
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    border-radius: var(--radius-md); box-shadow: var(--glass-shadow);
    min-width: 180px; display: none; overflow: hidden;
    backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
.profile-dropdown.show { display: block; animation: slideDown 0.2s ease; }
.dropdown-item { display: block; padding: 12px 15px; font-size: 13px; color: var(--text-main); font-weight: 500; }
.dropdown-item:hover { background: rgba(50,150,250,0.05); color: var(--primary); }

/* =========================================
   ĐÁP ỨNG THIẾT BỊ DI ĐỘNG (RESPONSIVE)
   ========================================= */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    html.sidebar-collapsed .sidebar { transform: translateX(0); width: var(--sidebar-w); }
    .main-wrapper { margin-left: 0 !important; }
    .user-info { display: none; } /* Ẩn chữ chào tên trên mobile để tiết kiệm diện tích */
    .top-navbar { padding: 0 15px; }
}
/* =========================================
   NÚT ĐỔI THEME TRANG AUTH (SÁNG/TỐI)
   ========================================= */
.auth-theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    box-shadow: var(--glass-shadow);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    transition: var(--transition-smooth);
}

.auth-theme-toggle:hover, 
.auth-theme-toggle:active {
    color: var(--primary);
    transform: translateY(-2px);
    border-color: rgba(50, 150, 250, 0.3);
}

/* Điều chỉnh vị trí trên Mobile cho cân đối */
@media (max-width: 768px) {
    .auth-theme-toggle {
        top: 15px;
        right: 15px;
    }
}