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

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a26;
    --bg-input: #22222e;
    --border: #2a2a3a;
    --border-focus: #6366f1;
    --text-primary: #e8e8ef;
    --text-secondary: #8888a0;
    --text-muted: #555568;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.15);
    --danger: #ef4444;
    --danger-hover: #f87171;
    --success: #10b981;
    --warning: #f59e0b;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 15px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ---- LAYOUT ---- */

.app-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 16px;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

header h1 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header .user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

header .username {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ---- BUTTONS ---- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--text-muted);
}

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: #fff;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.78rem;
}

.btn-icon {
    padding: 8px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
}

.btn-icon:hover {
    color: var(--text-primary);
    border-color: var(--text-muted);
}

/* ---- AUTH SCREEN ---- */

.auth-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-card {
    width: 100%;
    max-width: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    box-shadow: var(--shadow);
}

.auth-card h2 {
    text-align: center;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-card .subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.82rem;
    margin-bottom: 28px;
}

.auth-card .form-group {
    margin-bottom: 16px;
}

.auth-card .btn-primary {
    width: 100%;
    margin-top: 8px;
    padding: 12px;
}

.auth-toggle {
    text-align: center;
    margin-top: 20px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.auth-toggle a {
    color: var(--accent);
    cursor: pointer;
    text-decoration: none;
}

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

/* ---- FORMS ---- */

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input {
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}

.form-group select {
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

/* ---- SUMMARY CARDS ---- */

.summary-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    transition: var(--transition);
}

.summary-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.summary-card .label {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 6px;
}

.summary-card .value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.summary-card .unit {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-left: 4px;
}

/* ---- TOOLBAR ---- */

.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 12px;
}

.toolbar h2 {
    font-size: 1.05rem;
    font-weight: 600;
}

/* ---- TABLE ---- */

.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

thead th {
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    position: sticky;
    top: 0;
    background: var(--bg-card);
}

tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    color: var(--text-secondary);
}

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

tbody tr {
    transition: var(--transition);
}

tbody tr:hover {
    background: var(--accent-glow);
}

tbody td.num {
    font-variant-numeric: tabular-nums;
    text-align: right;
}

.actions-cell {
    display: flex;
    gap: 6px;
}

/* ---- MODAL ---- */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 20px;
    animation: fadeIn 0.15s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
    animation: slideUp 0.2s ease;
}

@keyframes slideUp {
    from { transform: translateY(16px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.modal-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.modal-form .full-width {
    grid-column: 1 / -1;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

/* ---- TOAST ---- */

.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    z-index: 200;
    box-shadow: var(--shadow);
    animation: slideUp 0.2s ease;
    max-width: 340px;
}

.toast.error {
    border-color: var(--danger);
    color: var(--danger);
}

.toast.success {
    border-color: var(--success);
    color: var(--success);
}

/* ---- EMPTY STATE ---- */

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.empty-state p {
    font-size: 0.9rem;
}

/* ---- BADGES ---- */

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-admin {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-super_admin {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-manager {
    background: rgba(14, 165, 233, 0.15);
    color: #38bdf8;
    border: 1px solid rgba(14, 165, 233, 0.3);
}

.badge-user {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.password-cell {
    background: var(--bg-input);
    padding: 3px 10px;
    border-radius: 4px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.82rem;
    color: var(--warning);
    letter-spacing: 0.03em;
}

/* ---- RESPONSIVE ---- */

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .app-container {
        padding: 12px;
    }

    header {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    header .user-info {
        justify-content: center;
        flex-wrap: wrap;
    }

    .summary-row {
        grid-template-columns: 1fr 1fr;
    }

    .modal-form {
        grid-template-columns: 1fr;
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    table {
        font-size: 0.75rem;
    }

    thead th, tbody td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .summary-row {
        grid-template-columns: 1fr;
    }

    .auth-card {
        padding: 28px 20px;
    }

    .modal {
        padding: 20px 16px;
    }

    .modal-footer {
        flex-direction: column-reverse;
        gap: 10px;
    }

    .modal-footer .btn {
        width: 100%;
    }
}

/* ---- HIDDEN ---- */

.hidden {
    display: none !important;
}

/* ---- NEW ADDITIONS ---- */

.toolbar-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.advanced-params {
    grid-column: 1 / -1;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.01);
    transition: var(--transition);
}

.advanced-params summary {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    outline: none;
    padding: 2px 0;
}

.advanced-params summary:hover {
    color: var(--accent-hover);
}

.advanced-params[open] {
    background: rgba(255, 255, 255, 0.02);
    border-color: var(--text-muted);
}

.advanced-params[open] summary {
    margin-bottom: 12px;
    border-bottom: 1px dashed var(--border);
    padding-bottom: 8px;
}

.advanced-form-grid {
    margin-top: 10px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.calc-preview {
    grid-column: 1 / -1;
    margin-top: 18px;
    padding: 14px 18px;
    background: rgba(99, 102, 241, 0.06);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-sm);
    animation: fadeIn 0.2s ease;
}

.calc-preview .calc-title {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.calc-preview .calc-title::before {
    content: '📊';
    font-size: 0.8rem;
}

.calc-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.calc-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.calc-item .calc-label {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.calc-item .calc-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.calc-item .calc-unit {
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-left: 1px;
}

.calc-item.font-highlight .calc-value {
    color: var(--success);
}

@media (max-width: 768px) {
    .toolbar-actions {
        width: 100%;
        justify-content: stretch;
    }
    
    .toolbar-actions .btn {
        flex: 1 1 auto;
    }

    .calc-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }
}

/* ---- TAB NAVIGATION ---- */

.tab-nav {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
}

.tab-btn {
    padding: 10px 20px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: -1px;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    flex-shrink: 0;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: var(--accent-glow);
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    background: var(--accent-glow);
}

/* ---- AUDIT LOG BADGES ---- */

.audit-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.audit-create  { background: rgba(16, 185, 129, 0.12); color: var(--success);  border: 1px solid rgba(16, 185, 129, 0.25); }
.audit-update  { background: rgba(99, 102, 241, 0.12); color: var(--accent);   border: 1px solid rgba(99, 102, 241, 0.25); }
.audit-delete  { background: rgba(239, 68, 68, 0.12);  color: var(--danger);   border: 1px solid rgba(239, 68, 68, 0.25); }
.audit-grant   { background: rgba(14, 165, 233, 0.12); color: #38bdf8;         border: 1px solid rgba(14, 165, 233, 0.25); }
.audit-revoke  { background: rgba(245, 158, 11, 0.12); color: var(--warning);  border: 1px solid rgba(245, 158, 11, 0.25); }
.audit-seed    { background: rgba(139, 92, 246, 0.12); color: #a78bfa;         border: 1px solid rgba(139, 92, 246, 0.25); }
.audit-default { background: rgba(136, 136, 160, 0.1); color: var(--text-secondary); border: 1px solid var(--border); }

.audit-ts {
    font-variant-numeric: tabular-nums;
    font-size: 0.78rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.audit-details {
    font-size: 0.78rem;
    color: var(--text-secondary);
    max-width: 320px;
    white-space: normal;
    line-height: 1.4;
}

/* ---- RESPONSIVENESS OVERRIDES & TOAST CONTAINER ---- */
@media (max-width: 768px) {
    .advanced-form-grid {
        grid-template-columns: 1fr;
    }
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    .actions-cell .btn-icon {
        padding: 10px;
        min-width: 44px;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .actions-cell {
        gap: 12px;
    }
    .form-group input, .form-group select {
        padding: 12px 14px;
    }
    .tab-btn {
        padding: 14px 20px;
    }
}

@media (max-width: 480px) {
    .calc-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .toolbar-actions .btn {
        white-space: normal;
        text-align: center;
        font-size: 0.8rem;
        padding: 10px 12px;
    }
}

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 200;
    pointer-events: none;
}
.toast {
    position: relative;
    bottom: auto;
    right: auto;
    pointer-events: auto;
}