/* Sanaa OS — User Manager (macOS/iOS-style) */

.um-app {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 20px 24px 28px;
    height: 100%;
    overflow-y: auto;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
}

/* Hero */
.um-hero {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(99,102,241,0.10), rgba(16,185,129,0.06));
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.um-hero-avatar {
    position: relative;
    flex-shrink: 0;
}

.um-avatar-img,
.um-avatar-initials {
    border-radius: 50%;
    object-fit: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    border: 2px solid rgba(255,255,255,0.08);
    background: var(--bg-tertiary);
}

.um-avatar-edit {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid var(--bg-primary);
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.15s ease, filter 0.15s ease;
}

.um-avatar-edit:hover {
    transform: scale(1.08);
    filter: brightness(1.1);
}

.um-hero-meta {
    flex: 1;
    min-width: 0;
}

.um-hero-name {
    margin: 0 0 4px;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.um-hero-email {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.um-hero-status {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

.um-role-badge {
    display: inline-flex;
    align-items: center;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 4px 10px;
    border-radius: 999px;
}

.um-role-badge.sm {
    font-size: 10px;
    padding: 2px 8px;
}

.um-hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-shrink: 0;
}

.um-hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.um-hero-stat-value {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.um-hero-stat-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
}

/* Storage ring */
.um-storage-ring {
    position: relative;
    width: 92px;
    height: 92px;
    flex-shrink: 0;
}

.um-storage-ring svg {
    transform: rotate(-90deg);
}

.um-ring-bg,
.um-ring-fill {
    fill: none;
    stroke-width: 8;
}

.um-ring-bg {
    stroke: rgba(255,255,255,0.08);
}

.um-ring-fill {
    stroke: var(--accent);
    stroke-linecap: round;
    transition: stroke-dashoffset 0.5s ease;
}

.um-storage-ring.warning .um-ring-fill { stroke: var(--warning); }
.um-storage-ring.danger .um-ring-fill { stroke: var(--error); }

.um-ring-text {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.um-ring-text strong {
    font-size: 18px;
    font-weight: 700;
}

.um-ring-text span {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Grid */
.um-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.um-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.um-card-wide {
    grid-column: 1 / -1;
}

.um-card-header {
    padding: 16px 18px 12px;
    border-bottom: 1px solid var(--border-light);
}

.um-card-header h3 {
    margin: 0 0 3px;
    font-size: 15px;
    font-weight: 700;
}

.um-card-sub {
    font-size: 12px;
    color: var(--text-muted);
}

.um-card-body {
    padding: 14px 18px 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.um-card-actions {
    display: flex;
    justify-content: flex-end;
    padding-top: 6px;
}

/* Fields */
.um-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.um-field label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.um-input-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.um-input,
.um-select {
    flex: 1;
    min-width: 0;
    padding: 9px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

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

.um-input:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.um-select {
    cursor: pointer;
}

/* Buttons */
.um-btn {
    padding: 9px 16px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-hover);
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.12s ease;
    white-space: nowrap;
}

.um-btn:hover {
    border-color: var(--accent);
    background: var(--bg-tertiary);
}

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

.um-btn.primary:hover {
    filter: brightness(1.08);
}

.um-btn.danger {
    color: var(--error);
    border-color: rgba(239,68,68,0.4);
    background: rgba(239,68,68,0.08);
}

.um-btn.danger:hover {
    background: rgba(239,68,68,0.14);
}

.um-btn.sm {
    padding: 5px 10px;
    font-size: 11px;
    border-radius: 8px;
}

.um-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Sessions */
.um-session-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.um-session {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
}

.um-session.current {
    border-color: var(--accent);
    background: var(--accent-glow);
}

.um-session-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    flex-shrink: 0;
}

.um-session-info {
    flex: 1;
    min-width: 0;
}

.um-session-info strong {
    display: block;
    font-size: 13px;
}

.um-session-info span {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

.um-current-badge {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
}

/* Devices */
.um-device-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.um-device {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    border-radius: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    transition: background 0.12s ease;
}

.um-device:hover {
    background: var(--bg-tertiary);
}

.um-device.revoked {
    opacity: 0.6;
}

.um-device-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    flex-shrink: 0;
}

.um-device.online .um-device-icon {
    color: var(--success);
}

.um-device-info {
    flex: 1;
    min-width: 0;
}

.um-device-info strong {
    display: block;
    font-size: 13px;
}

.um-device-info span {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

.um-device-seen {
    font-size: 10px !important;
    color: var(--text-secondary) !important;
}

.um-device-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.um-device-battery {
    font-size: 12px;
    color: var(--text-secondary);
}

.um-revoked-badge {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

/* Users grid */
.um-users-toolbar {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 4px;
}

.um-users-toolbar .um-input {
    max-width: 260px;
}

.um-users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px;
}

.um-user-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border-radius: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    transition: transform 0.12s ease, border-color 0.12s ease;
}

.um-user-card:hover {
    transform: translateY(-1px);
    border-color: var(--accent);
}

.um-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.um-user-info {
    flex: 1;
    min-width: 0;
}

.um-user-info strong {
    display: block;
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.um-user-info span {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Add user form */
.um-add-user-form {
    margin-top: 8px;
    padding: 16px;
    border-radius: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
}

.um-add-user-form.hidden {
    display: none;
}

.um-form-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.um-form-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 12px;
}

.um-form-row:last-child {
    margin-bottom: 0;
}

.um-form-row .um-input,
.um-form-row .um-select {
    flex: 1 1 160px;
}

/* Password modal */
.um-password-modal {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    z-index: 100;
}

.um-password-modal.hidden {
    display: none;
}

.um-password-panel {
    width: 360px;
    max-width: calc(100% - 32px);
    padding: 22px;
    border-radius: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.um-password-panel h4 {
    margin: 0 0 4px;
    font-size: 16px;
    font-weight: 700;
}

.um-password-panel p {
    margin: 0 0 16px;
    font-size: 12px;
    color: var(--text-muted);
}

.um-password-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 18px;
}

/* Empty state */
.um-empty {
    padding: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    background: var(--bg-primary);
    border-radius: 12px;
    border: 1px dashed var(--border-light);
}

/* Skeleton */
.um-skeleton {
    animation: um-fade-in 0.2s ease;
}

.um-skeleton-circle {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.12) 50%, rgba(255,255,255,0.05) 75%);
    background-size: 200% 100%;
    animation: um-shimmer 1.4s ease-in-out infinite;
}

.um-skeleton-line {
    border-radius: 6px;
    background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.12) 50%, rgba(255,255,255,0.05) 75%);
    background-size: 200% 100%;
    animation: um-shimmer 1.4s ease-in-out infinite;
}

.um-skeleton-card {
    min-height: 160px;
    background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.03) 75%);
    background-size: 200% 100%;
    animation: um-shimmer 1.4s ease-in-out infinite;
}

@keyframes um-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@keyframes um-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive */
@media (max-width: 760px) {
    .um-grid {
        grid-template-columns: 1fr;
    }
    .um-hero {
        flex-direction: column;
        align-items: flex-start;
    }
    .um-hero-stats {
        width: 100%;
        justify-content: flex-start;
    }
    .um-users-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .um-users-toolbar .um-input {
        max-width: none;
    }
}