:root {
    --bg: #e8eef5;
    --card-bg: #ffffff;
    --border-subtle: rgba(26, 26, 46, 0.08);
    --text: #1a1a2e;
    --muted: #5a6578;
    --accent: #4a6fa5;
    --accent-soft: rgba(74, 111, 165, 0.08);
    --accent-strong: rgba(74, 111, 165, 0.14);
    --radius-lg: 18px;
    --radius-md: 12px;
    --shadow-soft: 0 16px 32px rgba(26, 26, 46, 0.12);
}

/* Reset and layout */

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

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top, #e8eef5 0, transparent 45%),
        radial-gradient(circle at bottom, #dce4ed 0, var(--bg) 55%);
    color: var(--text);
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Top bar */

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 28px;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(148, 163, 184, 0.28);
    backdrop-filter: blur(14px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.06em;
    color: #fff;
}

.top-bar-title {
    display: flex;
    flex-direction: column;
}

.top-bar-title .sub {
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.top-bar-title .main {
    font-size: 15px;
    font-weight: 600;
}

.top-bar-nav {
    display: flex;
    gap: 12px;
    font-size: 14px;
}

.top-bar-nav a {
    color: var(--muted);
    text-decoration: none;
    padding: 7px 14px;
    border-radius: 999px;
    border: 1px solid transparent;
    transition:
        background 0.15s ease,
        color 0.15s ease,
        border-color 0.15s ease,
        box-shadow 0.15s ease;
}

.top-bar-nav a:hover {
    background: rgba(148, 163, 184, 0.12);
    color: var(--text);
    border-color: rgba(148, 163, 184, 0.35);
    box-shadow: 0 6px 16px rgba(148, 163, 184, 0.35);
}

.top-bar-nav a.active {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
}

/* Page */

.page {
    padding: 28px 40px 40px;
    max-width: none;
    width: 100%;
    margin: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.page-header {
    background: linear-gradient(135deg, #2d5a8a 0%, #3d6a9a 100%);
    padding: 28px 32px;
    border-radius: 12px;
    margin-bottom: 22px;
    box-shadow: 0 4px 12px rgba(45,90,138,0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
}

.page-header h1 {
    margin: 0 0 8px;
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.page-header p {
    margin: 0;
    font-size: 15px;
    color: #fff;
    font-weight: 500;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.page-header-actions {
    display: flex;
    gap: 10px;
}

/* Grid layout – cards auto-height, centered horizontally by container */

.grid {
    display: grid;
    grid-template-columns: minmax(0, 2.5fr) minmax(0, 2.1fr) minmax(0, 1.6fr);
    gap: 22px;
    align-items: flex-start; /* no stretching; cards stop at content */
}

@media (max-width: 1200px) {
    .grid {
        grid-template-columns: minmax(0, 1.7fr) minmax(0, 1.6fr) minmax(0, 1.5fr);
    }
}

@media (max-width: 1024px) {
    .grid {
        grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.4fr);
    }

    .card-sticky {
        position: static;
        top: auto;
    }
}

@media (max-width: 768px) {
    .page {
        padding: 24px 18px 28px;
    }

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

/* Card */

.card {
    background:
        radial-gradient(circle at top left, rgba(148, 163, 253, 0.12), transparent 55%),
        radial-gradient(circle at bottom right, rgba(45, 212, 191, 0.1), transparent 52%),
        var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-soft);
    padding: 24px 22px 20px;
    display: flex;
    flex-direction: column;
}

.card-sticky {
    position: sticky;
    top: 90px;
}

.card h2 {
    margin: 0 0 6px;
    font-size: 18px;
    font-weight: 600;
}

.card-subtitle {
    margin: 0 0 14px;
    font-size: 14px;
    color: var(--muted);
}

.card-body {
    margin-top: 10px;
}

/* User info card specific tweaks */

.card-user .card-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.user-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    row-gap: 8px;
    column-gap: 18px;
}

@media (max-width: 720px) {
    .user-grid {
        grid-template-columns: 1fr;
    }
}

.user-divider {
    border: 0;
    border-top: 1px solid rgba(148, 163, 184, 0.35);
    margin: 8px 0 6px;
}

.user-username-note {
    font-size: 12px;
    color: var(--muted);
    max-width: 460px;
}

/* Form fields */

.field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 0;
}

.field label {
    font-size: 13px;
    color: var(--muted);
}

.field input,
.field select {
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    background: #ffffff;
    color: var(--text);
    padding: 11px 16px;
    font-size: 15px;
    line-height: 1.4;
    outline: none;
    width: 100%;
    transition:
        border-color 0.15s ease,
        box-shadow 0.15s ease,
        background 0.15s ease,
        transform 0.08s ease;
}

.field input::placeholder {
    color: rgba(148, 163, 184, 0.9);
}

.field input:focus,
.field select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px rgba(74, 111, 165, 0.35);
    background: #ffffff;
    transform: translateY(-0.5px);
}

.field-help {
    margin: 0;
    font-size: 11px;
    color: var(--muted);
}

/* Roles */

.roles-list {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.role-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(148, 163, 184, 0.85);
    background: linear-gradient(135deg, #ffffff, #f9fafb);
    cursor: pointer;
    transition:
        border-color 0.16s ease,
        background 0.16s ease,
        box-shadow 0.12s ease,
        transform 0.08s ease;
}

.role-item:hover {
    border-color: var(--accent);
    background: radial-gradient(circle at top left, var(--accent-strong), #f9fafb);
    box-shadow: 0 10px 24px rgba(148, 163, 184, 0.4);
    transform: translateY(-1px);
}

.role-item input[type="checkbox"],
.role-item input[type="radio"] {
    margin-top: 3px;
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
}

.role-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.role-name {
    font-size: 15px;
    font-weight: 600;
}

.role-desc {
    font-size: 13px;
    color: var(--muted);
}

/* Summary */

.summary {
    margin-top: 14px;
    padding: 16px 18px;
    border-radius: 14px;
    background: #f9fafb;
    border: 1px solid rgba(148, 163, 184, 0.7);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    font-size: 14px;
}

.summary-row .label {
    color: var(--muted);
}

.summary-row .value {
    text-align: right;
}

/* Buttons */

.btn {
    border-radius: 999px;
    padding: 10px 18px;
    font-size: 14px;
    border: 1px solid transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition:
        background 0.16s ease,
        border-color 0.16s ease,
        transform 0.09s ease,
        box-shadow 0.12s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #f9fafb;
    font-weight: 600;
    box-shadow: 0 14px 32px rgba(26, 26, 46, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #252547 0%, #1e2d4d 100%);
    transform: translateY(-1px);
    box-shadow: 0 18px 40px rgba(26, 26, 46, 0.45);
}

.btn-subtle {
    background: #ffffff;
    color: var(--muted);
    border-color: rgba(148, 163, 184, 0.85);
}

.btn-subtle:hover {
    background: #f3f4f6;
    color: var(--text);
}

/* Card actions */

.card-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: 18px;
}

/* Saved note */

.saved-note {
    margin-top: 12px;
    font-size: 11px;
    color: var(--muted);
    opacity: 0;
    transition: opacity 1.4s ease-out;
}

.saved-note.fade-out {
    opacity: 1;
}

/* Two-column grid for fields */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 12px;
}

@media (max-width: 600px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Password hint */
.password-hint {
    margin: 8px 0 0 0;
    font-size: 12px;
    color: var(--muted);
}

/* ============================================
   DARK MODE OVERRIDES
   ============================================ */

[data-theme="dark"] {
    --bg: #0f0f1a;
    --card-bg: #1a1a2e;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --text: #e8eef5;
    --muted: #9ca3af;
    --accent: #6b8cbe;
    --accent-soft: rgba(107, 140, 190, 0.15);
    --accent-strong: rgba(107, 140, 190, 0.25);
    --shadow-soft: 0 16px 32px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] body {
    background:
        radial-gradient(circle at top, #1a1a2e 0, transparent 45%),
        radial-gradient(circle at bottom, #0f0f1a 0, var(--bg) 55%);
}

[data-theme="dark"] .top-bar {
    background: rgba(26, 26, 46, 0.96);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .top-bar-nav a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .page-header {
    background: linear-gradient(135deg, #1f3a5c 0%, #2d5a8a 100%);
}

[data-theme="dark"] .card {
    background:
        radial-gradient(circle at top left, rgba(107, 140, 190, 0.12), transparent 55%),
        radial-gradient(circle at bottom right, rgba(45, 212, 191, 0.08), transparent 52%),
        var(--card-bg);
    border-color: var(--border-subtle);
}

[data-theme="dark"] .field input,
[data-theme="dark"] .field select {
    background: #1f1f35;
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--text);
}

[data-theme="dark"] .field input::placeholder {
    color: #6b7280;
}

[data-theme="dark"] .field input:focus,
[data-theme="dark"] .field select:focus {
    border-color: var(--accent);
    background: #1f1f35;
}

[data-theme="dark"] .role-item {
    border-color: rgba(255, 255, 255, 0.12);
    background: linear-gradient(135deg, #1f1f35, #252540);
}

[data-theme="dark"] .role-item:hover {
    border-color: var(--accent);
    background: radial-gradient(circle at top left, var(--accent-strong), #252540);
}

[data-theme="dark"] .summary {
    background: #1f1f35;
    border-color: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #8aa8d4 100%);
}

[data-theme="dark"] .btn-subtle {
    background: var(--card-bg);
    color: var(--muted);
    border-color: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .btn-subtle:hover {
    background: #252540;
    color: var(--text);
}