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

:root {
    /* Google / Stitch Material 3 Palette */
    --primary-color: #1A73E8;
    --primary-hover: #174EA6;
    --secondary-color: #5F6368;
    --success-color: #34A853;
    --danger-color: #EA4335;
    --warning-color: #FBBC04;

    --bg-main: #F8F9FA;
    --card-bg: #FFFFFF;
    
    --text-main: #202124;
    --text-muted: #5F6368;

    --border-soft: rgba(0, 0, 0, 0.06);
    --border-radius-card: 24px;
    --border-radius-pill: 40px;
    
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.03);
    --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.06);
    --shadow-nav: 0 8px 24px rgba(0, 0, 0, 0.04);
}

body {
    background-color: var(--bg-main);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 120px; /* Space for floating nav */
}

/* Floating Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-soft);
    border-radius: var(--border-radius-pill);
    box-shadow: var(--shadow-nav);
    margin: 24px auto 0;
    max-width: 1200px;
    left: 24px;
    right: 24px;
    padding: 12px 32px;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 600;
    letter-spacing: -0.5px;
    color: var(--text-main) !important;
    font-size: 1.1rem;
}

.navbar .nav-link {
    color: var(--secondary-color);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px;
    border-radius: 20px;
    margin: 0 4px;
    transition: all 0.2s ease;
}

.navbar .nav-link:hover {
    color: var(--text-main);
    background-color: var(--bg-main);
}

.navbar .nav-link.text-danger:hover {
    color: var(--danger-color) !important;
    background-color: #FCE8E6;
}

/* AI Minimal Cards */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-soft);
    border-radius: var(--border-radius-card);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-soft);
    font-weight: 600;
    color: var(--text-main);
    padding: 24px 32px;
    font-size: 1.15rem;
    letter-spacing: -0.2px;
}

.card-body {
    padding: 24px 32px;
}

/* Button Refinements */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-radius: var(--border-radius-pill);
    padding: 10px 24px;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: -0.1px;
    transition: all 0.2s ease;
    line-height: 1.5;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--text-main);
    color: #fff;
    border: none;
}

.btn-primary:hover {
    background-color: #000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-outline-primary {
    color: var(--text-main);
    border-color: var(--border-soft);
}

.btn-outline-primary:hover {
    background-color: var(--bg-main);
    color: var(--text-main);
    border-color: var(--border-soft);
}

.btn-outline-danger {
    color: var(--danger-color);
    border-color: var(--border-soft);
}

.btn-outline-danger:hover {
    background-color: #FCE8E6;
    color: var(--danger-color);
    border-color: transparent;
}

.btn-sm {
    padding: 6px 16px;
    font-size: 0.85rem;
}

/* Clean Tables */
.table {
    margin-bottom: 0;
    color: var(--text-main);
}

.table th,
.table td {
    padding: 16px 20px;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-soft);
}

.table thead th {
    background-color: transparent;
    font-weight: 500;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--secondary-color);
    border-bottom: 1px solid var(--border-soft);
    padding-top: 20px;
    padding-bottom: 20px;
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: var(--bg-main);
}

.table td:first-child, .table th:first-child {
    padding-left: 32px;
}
.table td:last-child, .table th:last-child {
    padding-right: 32px;
}

/* Modern Inputs */
.form-control, .form-select {
    border-radius: 12px;
    border: 1px solid var(--border-soft);
    padding: 10px 16px;
    font-size: 0.95rem;
    background-color: var(--bg-main);
    transition: all 0.2s ease;
    color: var(--text-main);
}

.form-control:focus, .form-select:focus {
    background-color: var(--card-bg);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.1);
}

/* Fix Input Groups with Pill Buttons */
.input-group .form-control {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.input-group .btn {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border-top-right-radius: 12px;
    border-bottom-right-radius: 12px;
}

.form-label {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

/* Modals */
.modal-content {
    border-radius: 28px;
    border: none;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.1);
}

.modal-header {
    border-bottom: 1px solid var(--border-soft);
    padding: 24px 32px;
}

.modal-body {
    padding: 32px;
}

.modal-footer {
    border-top: 1px solid var(--border-soft);
    padding: 24px 32px;
}

/* Login Page Minimal */
.login-body {
    background-color: var(--bg-main);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 0;
}

.login-card {
    width: 100%;
    max-width: 440px;
    padding: 48px;
    margin: auto;
    background: var(--card-bg);
    border-radius: 32px;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-hover);
}

/* Footer */
footer {
    margin-top: auto;
    padding: 32px 0;
    color: var(--secondary-color);
    font-size: 0.85rem;
    text-align: center;
}

/* Responsive Overrides */
@media (max-width: 991.98px) {
    .navbar {
        border-radius: 20px;
        margin: 16px;
        padding: 8px 16px;
        left: 0;
        right: 0;
    }
    body {
        padding-top: 100px;
    }
    
    .table-responsive-cards thead {
        display: none;
    }

    .table-responsive-cards table,
    .table-responsive-cards tbody {
        display: block;
        border: none;
        background: transparent;
    }

    .table-responsive-cards tbody {
        padding: 0;
    }

    .table-responsive-cards tbody tr {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        background: var(--card-bg) !important;
        border: 1px solid var(--border-soft);
        border-radius: 16px;
        padding: 24px;
        margin-bottom: 16px;
    }

    .table-responsive-cards tbody td {
        padding: 8px 0;
        border: none;
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .table-responsive-cards tbody td::before {
        content: attr(data-label);
        font-weight: 500;
        color: var(--secondary-color);
        font-size: 0.85rem;
    }
    
    .card-header, .card-body {
        padding: 20px;
    }
}