:root {
    --bg-body-light: #f0f2f5;
    --bg-body-dark: #1a1a2e;
    --text-light: #1c1e21;
    --text-dark: #e4e6eb;

    --glass-bg-light: rgba(255, 255, 255, 0.7);
    --glass-bg-dark: rgba(45, 45, 55, 0.85);
    --glass-border-light: rgba(255, 255, 255, 0.5);
    --glass-border-dark: rgba(255, 255, 255, 0.15);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --glass-shadow-dark: 0 8px 32px 0 rgba(0, 0, 0, 0.5);

    --primary-color: #007aff;
    --success-color: #34c759;
    --danger-color: #ff3b30;
    --warning-color: #ffcc00;

    --transition: all 0.3s ease;
}

body {
    background: var(--bg-body-light);
    color: var(--text-light);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
}

[data-theme="dark"] body {
    background: var(--bg-body-dark);
    color: var(--text-dark);
}

/* Premium Login Background */
.login-bg {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Glass Card Enhanced */
.glass-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

[data-theme="dark"] .glass-card {
    background: rgba(40, 42, 54, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

/* Inputs Premium */
.glass-input {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 1rem;
    color: #333;
    backdrop-filter: blur(5px);
    display: block;
    width: 100%;
    box-sizing: border-box;
    transition: all 0.2s ease;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.glass-input:focus {
    background: rgba(255, 255, 255, 1);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.15);
    outline: none;
}

[data-theme="dark"] .glass-input {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    color: white;
}

[data-theme="dark"] .glass-input:focus {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--primary-color);
}

[data-theme="dark"] .glass-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* Labels */
.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-light);
    opacity: 0.8;
}

[data-theme="dark"] .form-label {
    color: var(--text-dark);
}

.mb-3 {
    margin-bottom: 1.25rem !important;
}

/* Buttons Premium */
.glass-btn {
    border-radius: 12px;
    padding: 12px 24px;
    font-weight: 700;
    border: none;
    letter-spacing: 0.5px;
    transition: all 0.2s;
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
}

.glass-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.4);
}

.glass-btn:active {
    transform: translateY(0);
}

/* Navbar */
.glass-navbar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .glass-navbar {
    background: rgba(26, 26, 46, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* Modal */
.modal-content {
    border: none;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
}

[data-theme="dark"] .modal-content {
    background: rgba(40, 42, 54, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    color: white;
}

[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

[data-theme="dark"] .modal-title {
    color: #fff;
}

/* Text Gradient */
.text-gradient {
    background: linear-gradient(135deg, #00c6ff, #0072ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Input Group Buttons */
.input-group .btn {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-left: none;
    border-radius: 0 12px 12px 0;
    padding: 12px 16px;
    transition: all 0.2s ease;
}

.input-group .btn:hover {
    background: rgba(255, 255, 255, 1);
    border-color: rgba(0, 0, 0, 0.2);
}

.input-group .glass-input {
    border-radius: 12px 0 0 12px;
    border-right: none;
}

[data-theme="dark"] .input-group .btn {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    color: white;
}

[data-theme="dark"] .input-group .btn:hover {
    background: rgba(255, 255, 255, 0.12);
}

/* Dark Mode Text Readability Fixes */
[data-theme="dark"] .glass-card,
[data-theme="dark"] .glass-card h1,
[data-theme="dark"] .glass-card h2,
[data-theme="dark"] .glass-card h3,
[data-theme="dark"] .glass-card h4,
[data-theme="dark"] .glass-card h5,
[data-theme="dark"] .glass-card h6,
[data-theme="dark"] .glass-card p,
[data-theme="dark"] .card-body {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .text-muted {
    color: rgba(255, 255, 255, 0.6) !important;
}

[data-theme="dark"] .navbar-brand {
    color: var(--text-dark) !important;
}

[data-theme="dark"] .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
}

[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
    color: #fff !important;
}

[data-theme="dark"] .table {
    color: var(--text-dark) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    background-color: transparent !important;
}

[data-theme="dark"] .table thead th {
    color: var(--text-dark) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    background-color: rgba(255, 255, 255, 0.05) !important;
}

[data-theme="dark"] .table tbody td {
    color: var(--text-dark) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    background-color: transparent !important;
}

[data-theme="dark"] .table-hover>tbody>tr:hover>* {
    color: #fff !important;
    background-color: rgba(255, 255, 255, 0.05) !important;
    box-shadow: none;
}

[data-theme="dark"] .card-title {
    color: var(--text-dark) !important;
}

[data-theme="dark"] small {
    color: rgba(255, 255, 255, 0.7) !important;
}

/* Nav Tabs / Pills - Button Style */
.nav-pills .nav-link,
.nav-tabs .nav-link {
    color: #666;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    margin-right: 8px;
    padding: 10px 20px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.nav-pills .nav-link:hover,
.nav-tabs .nav-link:hover {
    color: var(--primary-color);
    background-color: rgba(0, 122, 255, 0.1);
}

.modal .nav-pills .nav-link.active,
.modal .nav-tabs .nav-link.active,
.nav-pills .nav-link.active,
.nav-tabs .nav-link.active {
    color: #ffffff !important;
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

/* Dark Mode Tabs */
[data-theme="dark"] .nav-pills .nav-link,
[data-theme="dark"] .nav-tabs .nav-link {
    color: rgba(255, 255, 255, 0.7);
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .nav-pills .nav-link:hover,
[data-theme="dark"] .nav-tabs .nav-link:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .modal .nav-pills .nav-link.active,
[data-theme="dark"] .modal .nav-tabs .nav-link.active,
[data-theme="dark"] .nav-pills .nav-link.active,
[data-theme="dark"] .nav-tabs .nav-link.active {
    color: #ffffff !important;
    background-color: var(--primary-color) !important;
}

[data-theme="dark"] .nav-tabs {
    border-color: rgba(255, 255, 255, 0.1);
}