/* assets/css/style.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #4F46E5; /* Indigo 600 */
    --primary-hover: #4338CA; /* Indigo 700 */
    --secondary: #10B981; /* Emerald 500 */
    --background: #F3F4F6; /* Gray 100 */
    --surface: rgba(255, 255, 255, 0.7);
    --surface-solid: #FFFFFF;
    --text-main: #1F2937; /* Gray 800 */
    --text-muted: #6B7280; /* Gray 500 */
    --border: rgba(255, 255, 255, 0.5);
    --shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    --border-radius: 16px;
    --glass-blur: blur(12px);
    --error: #EF4444; /* Red 500 */
    --success: #10B981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Glassmorphism Container */
.glass-container {
    background: var(--surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 2.5rem;
    width: 100%;
    max-width: 500px;
    margin: 2rem auto;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.glass-container-large {
    max-width: 1000px;
}

/* Headers */
h1, h2, h3 {
    color: var(--text-main);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

h1 { font-size: 2rem; text-align: center; }
h2 { font-size: 1.5rem; }

p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-main);
}

input[type="text"],
input[type="password"],
input[type="number"],
textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    color: var(--text-main);
    transition: all 0.3s ease;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

textarea {
    resize: vertical;
    min-height: 150px;
}

/* Buttons */
.btn {
    display: inline-block;
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

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

.btn-secondary {
    background: var(--secondary);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-secondary:hover {
    background: #059669; /* Emerald 600 */
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Layout */
.navbar {
    background: var(--surface);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary);
    text-decoration: none;
}

.navbar-links a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 1.5rem;
    font-weight: 500;
    transition: color 0.3s;
}

.navbar-links a:hover {
    color: var(--primary);
}

/* Tables */
.table-container {
    overflow-x: auto;
    background: var(--surface-solid);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

th {
    background: #F9FAFB;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: #F9FAFB;
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-primary {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
}

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

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* Loader */
.loader {
    border: 4px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top: 4px solid var(--primary);
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}