/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #4361ee;
    --primary-dark: #3a0ca3;
    --secondary: #7209b7;
    --accent: #f72585;
    --success: #4cc9f0;
    --warning: #ff9e00;
    --danger: #ef4444;
    --dark: #1a1a2e;
    --darker: #0f0f1e;
    --light: #f8f9fa;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --border: #dee2e6;
}

body {
    font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--light);
    background: var(--darker);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--success);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--accent);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary), var(--primary-dark));
    color: white;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-success {
    background: linear-gradient(45deg, var(--success), #0d9488);
    color: white;
}

.btn-danger {
    background: linear-gradient(45deg, var(--danger), #b91c1c);
    color: white;
}

.btn-warning {
    background: linear-gradient(45deg, var(--warning), #d97706);
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--light);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: var(--light);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-control:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Cards */
.card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s, border-color 0.3s;
}

.card:hover {
    border-color: var(--primary);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--light);
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(16, 185, 129, 0.2);
    border-color: var(--success);
    color: #a7f3d0;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.2);
    border-color: var(--danger);
    color: #fecaca;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.2);
    border-color: var(--warning);
    color: #fde68a;
}

.alert-info {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--primary);
    color: #bfdbfe;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.table th {
    font-weight: 600;
    color: var(--light);
    background: rgba(255, 255, 255, 0.05);
}

.table tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: rgba(67, 97, 238, 0.2);
    color: #93c5fd;
    border: 1px solid rgba(67, 97, 238, 0.3);
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: #a7f3d0;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #fecaca;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #fde68a;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.d-none { display: none !important; }
.d-flex { display: flex !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }

.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-around { justify-content: space-around; }
.justify-content-start { justify-content: flex-start; }
.justify-content-end { justify-content: flex-end; }

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.3s ease-out;
}

.pulse {
    animation: pulse 2s infinite;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .card {
        padding: 1rem;
    }
}