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

:root {
    --primary: #007bff;
    --primary-hover: #0056b3;
    --secondary: #6c757d;
    --bg-color: #f4f6f9;
    --bg-card: #ffffff;
    --text-main: #212529;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --shadow-sm: 0 .125rem .25rem rgba(0,0,0,.075);
    --shadow: 0 .5rem 1rem rgba(0,0,0,.15);
    --border-radius: 0.5rem;
    --danger: #dc3545;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Authentication Layout */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.auth-card {
    background: var(--bg-card);
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
}
.auth-card h2 {
    margin-bottom: 0.5rem;
    color: var(--primary);
}
.auth-card p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}
.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.2s;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
}
.btn {
    display: inline-block;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.375rem;
    color: #fff;
    background-color: var(--primary);
    border: 1px solid var(--primary);
    cursor: pointer;
    transition: background-color 0.2s;
    text-decoration: none;
}
.btn:hover {
    background-color: var(--primary-hover);
}
.btn-block {
    display: block;
    width: 100%;
}
.btn-danger {
    background-color: var(--danger);
    border-color: var(--danger);
}
.btn-danger:hover {
    background-color: #c82333;
}
.btn-secondary {
    background-color: var(--secondary);
    border-color: var(--secondary);
}
.btn-secondary:hover {
    background-color: #5a6268;
}

/* Dashboard Layout */
.navbar {
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}
.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

/* Dashboard Header Options */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

/* Table Styles */
.card {
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
    border-radius: var(--border-radius);
    overflow: hidden;
}
.table-responsive {
    overflow-x: auto;
}
.table {
    width: 100%;
    border-collapse: collapse;
}
.table th, .table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}
.table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: var(--text-muted);
}
.table tbody tr:hover {
    background-color: #f8f9fa;
}

.text-right {
    text-align: right !important;
}

/* Messages */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    display: none;
}
.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}
.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

/* Mobile Responsiveness */
@media screen and (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    .navbar {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 1rem;
    }
    .auth-card {
        padding: 1.5rem;
    }
    .dashboard-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    .dashboard-header h2 {
        text-align: center;
        font-size: 1.25rem;
    }
    .dashboard-header .btn {
        width: 100%;
        text-align: center;
    }
    .actions-btn {
        margin-bottom: 5px;
        display: inline-block;
    }
}