/* ==========================================================================
   HD Roster Admin — styles.css
   ========================================================================== */

/* -- Reset & Base --------------------------------------------------------- */

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

html {
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
        'Helvetica Neue', Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-background);
}

/* -- Scrollbars ----------------------------------------------------------- */

* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

*::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

*::-webkit-scrollbar-track {
    background: transparent;
}

*::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

*::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* -- Custom Properties ---------------------------------------------------- */

:root {
    --color-primary:        #5b7ea8;
    --color-primary-dark:   #4a6a91;
    --color-primary-light:  rgba(91,126,168,0.12);
    --color-danger:         #b55464;
    --color-danger-light:   rgba(181,84,100,0.12);
    --color-success:        #5a9a6a;
    --color-success-light:  rgba(90,154,106,0.12);
    --color-warning:        #c4953a;
    --color-warning-light:  rgba(196,149,58,0.12);
    --color-info:           #5b8fb8;
    --color-info-light:     rgba(91,143,184,0.12);

    --color-surface:        #1e2230;
    --color-background:     #161923;
    --color-sidebar:        #12141d;
    --color-sidebar-hover:  #1a1f2e;
    --color-sidebar-active: #232840;
    --color-sidebar-text:   #7a8194;
    --color-sidebar-text-active: #c8cdd8;

    --color-text:           #c8cdd8;
    --color-text-secondary: #7a8194;
    --color-text-muted:     #555b6e;
    --color-border:         #2a2f3e;

    --shadow-sm:   0 1px 3px rgba(0,0,0,0.3);
    --shadow-md:   0 2px 8px rgba(0,0,0,0.4);
    --shadow-lg:   0 4px 16px rgba(0,0,0,0.5);

    --radius-sm:   4px;
    --radius-md:   8px;
    --radius-lg:   12px;

    --space-1:     4px;
    --space-2:     8px;
    --space-3:     16px;
    --space-4:     24px;
    --space-5:     32px;
    --space-6:     48px;

    --sidebar-width: 240px;
    --transition:  0.2s ease;
}

/* -- Layout --------------------------------------------------------------- */

.hidden { display: none !important; }

#app-login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    position: relative;
    background-color: #0e1017;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}
#app-login::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(14, 16, 23, 0.65);
}
#app-login > * {
    position: relative;
    z-index: 1;
}

#app-shell {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    min-height: 100vh;
}

#content {
    padding: var(--space-5);
    overflow-y: auto;
    max-width: 1200px;
}

/* -- Typography ----------------------------------------------------------- */

h1 { font-size: 1.75rem; font-weight: 600; color: var(--color-text); margin-bottom: var(--space-3); }
h2 { font-size: 1.3rem; font-weight: 600; color: var(--color-text); margin-top: var(--space-5); margin-bottom: var(--space-3); }
h3 { font-size: 1.1rem; font-weight: 600; color: var(--color-text); margin-bottom: var(--space-2); }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* -- Sidebar -------------------------------------------------------------- */

#sidebar {
    background: var(--color-sidebar);
    color: var(--color-sidebar-text);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-brand {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.sidebar-brand::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 144px;
    height: 144px;
    background: url('/design/icon2.svg') no-repeat center / contain;
    opacity: 0.08;
    pointer-events: none;
}

.sidebar-brand-link {
    color: var(--color-text);
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.5px;
    position: relative;
}

.sidebar-brand-link:hover { text-decoration: none; }

.sidebar-nav {
    flex: 1;
    padding: var(--space-3) 0;
}

.sidebar-section-label {
    padding: var(--space-3) var(--space-4) var(--space-1);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    color: var(--color-sidebar-text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: background var(--transition), color var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.6;
}

.sidebar-link:hover .sidebar-icon,
.sidebar-link.active .sidebar-icon {
    opacity: 1;
}

.sidebar-link:hover {
    background: var(--color-sidebar-hover);
    color: var(--color-sidebar-text-active);
    text-decoration: none;
}

.sidebar-link.active {
    background: var(--color-sidebar-active);
    color: var(--color-sidebar-text-active);
    border-left-color: var(--color-primary);
}

.sidebar-footer {
    padding: var(--space-3) 0 0;
    border-top: 1px solid var(--color-border);
}

.sidebar-footer-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    color: var(--color-sidebar-text);
    font-size: 0.9rem;
    text-decoration: none;
    background: transparent;
    border: none;
    border-left: 3px solid transparent;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    transition: background var(--transition), color var(--transition);
}
.sidebar-footer-link:hover {
    background: var(--color-sidebar-hover);
    color: var(--color-sidebar-text-active);
    text-decoration: none;
}

/* Mobile toggle */
#sidebar-toggle {
    display: none;
    position: fixed;
    top: var(--space-2);
    left: var(--space-2);
    z-index: 200;
    background: var(--color-sidebar);
    color: var(--color-text);
    border: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    cursor: pointer;
}

/* -- Login ---------------------------------------------------------------- */

.login-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-6) var(--space-5);
    width: 100%;
    max-width: 400px;
}

.login-logo {
    display: block;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-3);
}

.login-title {
    text-align: center;
    color: var(--color-primary);
    margin-bottom: var(--space-1);
}

.login-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-5);
    font-size: 0.95rem;
}

.login-error {
    background: var(--color-danger-light);
    color: var(--color-danger);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-3);
    font-size: 0.9rem;
}

.login-form .form-group { margin-bottom: var(--space-3); }
.login-form .form-actions { margin-top: var(--space-4); }

/* -- Page Header ---------------------------------------------------------- */

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.page-header h1 { margin-bottom: 0; }

.page-actions { display: flex; gap: var(--space-2); }

/* -- Card ----------------------------------------------------------------- */

.card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

/* -- Stat Card ------------------------------------------------------------ */

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--space-4);
    text-align: center;
}

.stat-card-anchor,
.stat-card-anchor:hover,
.stat-card-anchor:focus {
    text-decoration: none;
    color: inherit;
    display: block;
}
.stat-card-anchor:hover .stat-card {
    box-shadow: var(--shadow-md);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-top: var(--space-1);
}

/* -- Sparkline Grid ------------------------------------------------------- */

.sparkline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.sparkline-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--space-3) var(--space-4);
}

.sparkline-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--space-2);
}

.sparkline-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.sparkline-total {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.sparkline-card svg {
    display: block;
    width: 100%;
    height: 40px;
}

/* -- Data Table ----------------------------------------------------------- */

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.data-table th {
    background: var(--color-background);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    padding: var(--space-2) var(--space-3);
    text-align: left;
    border-bottom: 2px solid var(--color-border);
}

.data-table td {
    padding: var(--space-2) var(--space-3);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
    vertical-align: middle;
}

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

.data-table tbody tr:hover { background: var(--color-primary-light); }

.data-table tbody tr.clickable { cursor: pointer; }

/* -- Buttons -------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
    gap: var(--space-1);
}

.btn:hover { background: var(--color-background); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

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

.btn-danger {
    background: var(--color-danger);
    color: #fff;
    border-color: var(--color-danger);
}
.btn-danger:hover { background: #9a4454; }

.btn-secondary {
    background: var(--color-primary-dark);
    color: #fff;
    border-color: var(--color-primary-dark);
}
.btn-secondary:hover { background: #3d5a7d; }

.btn-text {
    background: transparent;
    border-color: transparent;
    color: var(--color-primary);
    padding: var(--space-1) var(--space-2);
}
.btn-text:hover { background: var(--color-primary-light); }

.btn-sm { padding: var(--space-1) var(--space-2); font-size: 0.8rem; }

.btn-block { width: 100%; }

/* -- Badge ---------------------------------------------------------------- */

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-danger  { background: var(--color-danger-light);  color: var(--color-danger); }
.badge-warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge-info    { background: var(--color-info-light);    color: var(--color-info); }
.badge-default { background: rgba(122,129,148,0.15); color: var(--color-text-secondary); }

/* -- Forms ---------------------------------------------------------------- */

.form-group {
    margin-bottom: var(--space-3);
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-1);
}

.form-control {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid rgba(122,129,148,0.25);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--color-text);
    background: rgba(12,14,21,0.5);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

input[type="number"].form-control::-webkit-inner-spin-button,
input[type="number"].form-control::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"].form-control {
    -moz-appearance: textfield;
}

.form-control[readonly] {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-control-error {
    border-color: var(--color-danger) !important;
}

.form-error {
    font-size: 0.8rem;
    color: var(--color-danger);
    min-height: 1em;
    margin-top: 2px;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
    display: block;
}

.form-help {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

select.form-control {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237a8194' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

select.form-control:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235b7ea8' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
}

select.form-control option {
    background: var(--color-surface);
    color: var(--color-text);
    padding: 8px;
}

select.form-control option:checked {
    background: var(--color-primary);
    color: #fff;
}

textarea.form-control { resize: vertical; min-height: 80px; }

input.form-control,
select.form-control,
textarea.form-control {
    color-scheme: dark;
}

/* -- Person Picker -------------------------------------------------------- */

.person-picker {
    position: relative;
}

.person-picker-display {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid rgba(122,129,148,0.25);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--color-text);
    background: rgba(12,14,21,0.5);
    cursor: pointer;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.person-picker-display:hover {
    border-color: rgba(122,129,148,0.4);
}

.person-picker-display .person-picker-placeholder {
    color: var(--color-text-muted);
}

.person-picker-display .person-picker-clear {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
}

.person-picker-display .person-picker-clear:hover {
    color: var(--color-danger);
}

.person-picker-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 50;
    margin-top: 4px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    overflow: hidden;
}

.person-picker-search {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: none;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--color-text);
    background: rgba(12,14,21,0.5);
    outline: none;
}

.person-picker-search::placeholder {
    color: var(--color-text-muted);
}

.person-picker-results {
    max-height: 200px;
    overflow-y: auto;
}

.person-picker-item {
    display: block;
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: none;
    background: none;
    color: var(--color-text);
    font-size: 0.9rem;
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: background 0.15s ease;
}

.person-picker-item:hover,
.person-picker-item.person-picker-item-active {
    background: var(--color-primary-light);
    color: var(--color-text);
}

.person-picker-hint {
    padding: var(--space-2) var(--space-3);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.person-picker-no-results {
    padding: var(--space-2) var(--space-3);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.person-picker-loading {
    padding: var(--space-2) var(--space-3);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* -- Date Picker ---------------------------------------------------------- */

.date-picker {
    position: relative;
}

.date-picker-display {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid rgba(122,129,148,0.25);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--color-text);
    background: rgba(12,14,21,0.5);
    cursor: pointer;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.date-picker-display:hover {
    border-color: rgba(122,129,148,0.4);
}

.date-picker-display .date-picker-placeholder {
    color: var(--color-text-muted);
}

.date-picker-display .date-picker-icon {
    margin-left: auto;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.date-picker-display .date-picker-clear {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
}

.date-picker-display .date-picker-clear:hover {
    color: var(--color-danger);
}

.date-picker-dropdown {
    position: fixed;
    z-index: 1100;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    padding: var(--space-3);
    width: 280px;
}

.date-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.date-picker-header span {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
}

.date-picker-nav {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: background 0.15s ease, color 0.15s ease;
}

.date-picker-nav:hover {
    background: var(--color-primary-light);
    color: var(--color-text);
}

.date-picker-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.date-picker-dow {
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    padding: 4px 0;
    font-weight: 600;
}

.date-picker-day {
    text-align: center;
    padding: 6px 0;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--color-text);
    background: none;
    border: none;
    font-family: inherit;
    transition: background 0.15s ease;
}

.date-picker-day:hover {
    background: var(--color-primary-light);
}

.date-picker-day--other {
    color: var(--color-text-muted);
    opacity: 0.4;
}

.date-picker-day--today {
    border: 1px solid var(--color-primary);
}

.date-picker-day--selected {
    background: var(--color-primary) !important;
    color: #fff;
    font-weight: 600;
}

/* -- Time Picker ---------------------------------------------------------- */

.time-picker {
    position: relative;
}

.time-picker-display {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid rgba(122,129,148,0.25);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--color-text);
    background: rgba(12,14,21,0.5);
    cursor: pointer;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.time-picker-display:hover {
    border-color: rgba(122,129,148,0.4);
}

.time-picker-display .time-picker-placeholder {
    color: var(--color-text-muted);
}

.time-picker-display .time-picker-icon {
    margin-left: auto;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.time-picker-display .time-picker-clear {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
}

.time-picker-display .time-picker-clear:hover {
    color: var(--color-danger);
}

.time-picker-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 50;
    margin-top: 4px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    padding: var(--space-3);
    width: 260px;
}

.time-picker-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.time-picker-col {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.time-picker-spin {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: background 0.15s ease, color 0.15s ease;
}

.time-picker-spin:hover {
    background: var(--color-primary-light);
    color: var(--color-text);
}

.time-picker-val {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text);
    min-width: 28px;
    text-align: center;
}

.time-picker-sep {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.time-picker-ampm {
    background: var(--color-primary-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    cursor: pointer;
    padding: 4px 10px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: inherit;
    transition: background 0.15s ease;
    margin-left: var(--space-2);
}

.time-picker-ampm:hover {
    background: var(--color-primary);
    color: #fff;
}

.time-picker-presets {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-2);
}

.time-picker-preset {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 4px 0;
    font-size: 0.8rem;
    font-family: inherit;
    transition: background 0.15s ease, color 0.15s ease;
}

.time-picker-preset:hover {
    background: var(--color-primary-light);
    color: var(--color-text);
}

/* -- Switch Toggle -------------------------------------------------------- */

.switch-group {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding-top: var(--space-1);
}

.switch-group label {
    display: inline;
    margin-bottom: 0;
    cursor: pointer;
    user-select: none;
}

.switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 22px;
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
    appearance: none;
    -webkit-appearance: none;
    margin: 0;
    padding: 0;
}

.switch-track {
    position: absolute;
    inset: 0;
    background: var(--color-border);
    border-radius: 11px;
    transition: background var(--transition);
    cursor: pointer;
}

.switch-track::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    left: 3px;
    bottom: 3px;
    background: var(--color-text-muted);
    border-radius: 50%;
    transition: transform var(--transition), background var(--transition);
}

.switch input:checked + .switch-track {
    background: var(--color-primary);
}

.switch input:checked + .switch-track::after {
    transform: translateX(18px);
    background: #fff;
}

.switch input:focus-visible + .switch-track {
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* -- Checkbox Group ------------------------------------------------------- */

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1) var(--space-3);
    padding: var(--space-2) 0;
}

.checkbox-group .checkbox-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.checkbox-group .checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    flex-shrink: 0;
    appearance: none;
    -webkit-appearance: none;
    margin: 0;
    background: rgba(12,14,21,0.5);
    border: 1px solid rgba(122,129,148,0.25);
    border-radius: 3px;
    position: relative;
    transition: background var(--transition), border-color var(--transition);
}

.checkbox-group .checkbox-item input[type="checkbox"]:hover {
    border-color: rgba(122,129,148,0.4);
}

.checkbox-group .checkbox-item input[type="checkbox"]:checked {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-group .checkbox-item input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 1px;
    width: 6px;
    height: 11px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-group .checkbox-item input[type="checkbox"]:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.checkbox-group .checkbox-item label {
    display: inline;
    margin-bottom: 0;
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-text);
    cursor: pointer;
    user-select: none;
}

.checkbox-group.checkbox-group-vertical {
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-1);
    margin-top: var(--space-3);
}

.form-actions {
    margin-top: var(--space-4);
    display: flex;
    gap: var(--space-2);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

/* -- Modal ---------------------------------------------------------------- */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.15s ease;
}

.modal {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 560px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.2s ease;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 { margin-bottom: 0; }

.modal-close {
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 0 var(--space-1);
    line-height: 1;
}
.modal-close:hover { color: var(--color-text); }

.modal-body {
    padding: var(--space-4);
    overflow-y: auto;
    flex: 1;
}

.modal-body .form-group:last-of-type { margin-bottom: 0; }
.modal-body .form-actions { display: none; }

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--color-border);
}

/* -- Toast ---------------------------------------------------------------- */

#toast-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    pointer-events: none;
}

.toast {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 280px;
    max-width: 420px;
    pointer-events: auto;
    border-left: 4px solid var(--color-info);
    transform: translateX(120%);
    transition: transform 0.3s ease;
}

.toast-visible { transform: translateX(0); }
.toast-success { border-left-color: var(--color-success); }
.toast-error   { border-left-color: var(--color-danger); }
.toast-warning { border-left-color: var(--color-warning); }
.toast-info    { border-left-color: var(--color-info); }

.toast-close {
    background: none;
    border: none;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    margin-left: auto;
    padding: 0;
    line-height: 1;
}

/* -- Pagination ----------------------------------------------------------- */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
}

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

/* -- Tabs ----------------------------------------------------------------- */

.tabs {
    display: flex;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--space-4);
    gap: 0;
}

.tab {
    padding: var(--space-2) var(--space-4);
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition);
}

.tab:hover { color: var(--color-text); }

.tab-active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}

/* -- Email Preview -------------------------------------------------------- */

.email-preview { margin-top: var(--space-3); }

.email-preview .tabs { margin-bottom: 0; }

.email-preview-frame {
    width: 100%;
    height: 280px;
    border: 1px solid var(--color-border);
    border-radius: 0 0 var(--radius) var(--radius);
    background: #fff;
}

.email-preview-text {
    width: 100%;
    height: 280px;
    overflow: auto;
    margin: 0;
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    background: var(--color-bg-secondary);
    color: var(--color-text);
    font-size: 0.85rem;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* -- Guides --------------------------------------------------------------- */

.guide-content {
    max-width: 720px;
}

.guide-content h2.guide-heading {
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
    color: var(--color-text);
}

.guide-section { margin-bottom: var(--space-4); }
.guide-section h3 { color: var(--color-primary); margin-bottom: var(--space-2); }

.guide-para p {
    margin: 0 0 var(--space-2) 0;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.guide-list {
    margin: 0 0 var(--space-4) var(--space-4);
    padding: 0;
    list-style: disc;
}
.guide-list li {
    margin-bottom: var(--space-2);
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.guide-dl { margin: 0 0 var(--space-4) 0; }
.guide-dl dt {
    font-weight: 600;
    color: var(--color-text);
    margin-top: var(--space-3);
}
.guide-dl dd {
    margin: var(--space-1) 0 0 var(--space-4);
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.guide-note {
    background: var(--color-bg-secondary);
    border-left: 3px solid var(--color-primary);
    padding: var(--space-3);
    margin: var(--space-3) 0;
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-size: 0.9rem;
}

/* -- Documents ------------------------------------------------------------ */

.doc-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}
.doc-columns h3 { margin-bottom: var(--space-2); }
.doc-column .card + .card { margin-top: var(--space-2); }
.doc-list-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    color: var(--color-text);
    cursor: pointer;
    transition: background var(--transition);
}
.doc-list-item:hover {
    background: var(--color-sidebar-hover);
    text-decoration: none;
}
.doc-type-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.doc-type-icon svg {
    width: 100%;
    height: 100%;
}
.doc-type-document { color: var(--color-text-muted); }
.doc-type-outline  { color: var(--color-primary); }
.doc-list-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}
.doc-list-title {
    font-weight: 500;
}
.doc-list-arrow {
    flex-shrink: 0;
    font-size: 1.4rem;
    color: var(--color-text-muted);
}

.profile-photo {
    float: right;
    width: 200px;
    border-radius: var(--radius);
    margin: 0 0 var(--space-3) var(--space-4);
}
.profile-photo ~ .doc-body::after {
    content: '';
    display: block;
    clear: both;
}

.doc-body {
    max-width: 720px;
    line-height: 1.7;
    color: var(--color-text-secondary);
}
.doc-body h1, .doc-body h2, .doc-body h3,
.doc-body h4, .doc-body h5, .doc-body h6 {
    color: var(--color-text);
    margin: var(--space-4) 0 var(--space-2) 0;
}
.doc-body h1 { font-size: 1.5rem; }
.doc-body h2 { font-size: 1.25rem; border-bottom: 1px solid var(--color-border); padding-bottom: var(--space-2); }
.doc-body h3 { font-size: 1.1rem; }
.doc-body p {
    margin: 0 0 var(--space-3) 0;
}
.doc-body ul, .doc-body ol {
    margin: 0 0 var(--space-3) var(--space-4);
    padding: 0;
}
.doc-body li {
    margin-bottom: var(--space-1);
}
.doc-body strong {
    color: var(--color-text);
}
.doc-body blockquote {
    border-left: 3px solid var(--color-primary);
    padding: var(--space-2) var(--space-3);
    margin: 0 0 var(--space-3) 0;
    background: var(--color-sidebar-hover);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.doc-body code {
    background: var(--color-sidebar);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
}
.doc-body pre {
    background: var(--color-sidebar);
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 0 0 var(--space-3) 0;
}
.doc-body pre code {
    background: none;
    padding: 0;
}
.doc-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 var(--space-3) 0;
}
.doc-body th, .doc-body td {
    border: 1px solid var(--color-border);
    padding: var(--space-2);
    text-align: left;
}
.doc-body th {
    background: var(--color-sidebar);
    color: var(--color-text);
    font-weight: 600;
}
.doc-body hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-4) 0;
}

/* -- Spinner -------------------------------------------------------------- */

.spinner-container {
    display: flex;
    justify-content: center;
    padding: var(--space-6) 0;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* -- Empty State ---------------------------------------------------------- */

.empty-state {
    text-align: center;
    padding: var(--space-6) var(--space-4);
    color: var(--color-text-secondary);
}

.empty-state p { font-size: 1rem; }

/* -- Alert Card ----------------------------------------------------------- */

.alert-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
    border-left: 4px solid var(--color-warning);
    background: var(--color-warning-light);
    font-size: 0.9rem;
    color: var(--color-text);
}

.alert-card-message { flex: 1; }

/* -- Error Message -------------------------------------------------------- */

.error-message {
    background: var(--color-danger-light);
    color: var(--color-danger);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    margin: var(--space-3) 0;
}

/* -- Detail Sections ------------------------------------------------------ */

.detail-section {
    margin-bottom: var(--space-5);
}

.detail-grid {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: var(--space-1) var(--space-4);
    font-size: 0.9rem;
}

.detail-label {
    color: var(--color-text-secondary);
    font-weight: 600;
}

.detail-value {
    color: var(--color-text);
}

.detail-link {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

.detail-link:hover {
    color: var(--color-text);
    text-decoration: underline;
}

/* -- Inline Action Buttons ------------------------------------------------ */

.inline-actions {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

/* -- Animations ----------------------------------------------------------- */

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* -- Responsive ----------------------------------------------------------- */

@media (max-width: 768px) {
    #app-shell {
        grid-template-columns: 1fr;
    }

    #sidebar {
        position: fixed;
        left: calc(-1 * var(--sidebar-width));
        width: var(--sidebar-width);
        transition: left 0.3s ease;
    }

    #sidebar.sidebar-open {
        left: 0;
    }

    #sidebar-toggle {
        display: block;
    }

    #content {
        padding: var(--space-3);
        padding-top: var(--space-6);
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }

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

    .data-table {
        display: block;
        overflow-x: auto;
    }

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

    .modal {
        width: 95%;
        max-height: 90vh;
    }
}

/* -- Utilities ------------------------------------------------------------ */

.text-right     { text-align: right; }
.text-center    { text-align: center; }
.text-muted     { color: var(--color-text-muted); }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}
.filter-bar .form-control {
    max-width: 280px;
}

.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }

/* -- Calendar -------------------------------------------------------------- */
.cal-container { margin-top: var(--space-2); }
.cal-header { display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px; }
.cal-header-cell { text-align: center; font-weight: 600; font-size: 0.8em; padding: var(--space-1); color: var(--text-muted); }
.cal-week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px; background: var(--color-border); }
.cal-day { background: var(--color-surface); padding: var(--space-1); min-height: 80px; }
.cal-day-header { font-size: 0.75em; color: var(--text-muted); margin-bottom: 2px; }
.cal-day-weekday { opacity: 0.45; min-height: 40px; }
.cal-day-weekday.cal-day-has-content { opacity: 1; min-height: 80px; }
.cal-day-today { border-left: 3px solid var(--primary); }
.cal-pill { display: block; padding: 2px 6px; border-radius: 4px; font-size: 0.75em; margin: 1px 0; cursor: default; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; line-height: 1.4; }
.cal-pill-avail { background: #363636; color: #aaa; }
.cal-pill-reservation { background: #6b5840; color: #d4c4a8; }
.cal-pill-class { color: #fff; cursor: pointer; }
.cal-pill-class:hover { filter: brightness(1.2); }
.cal-chain { width: 12px; height: 12px; vertical-align: middle; margin-left: 2px; opacity: 0.7; }
.cal-more { text-align: center; margin: var(--space-3) 0; }
.cal-roster-list { display: flex; flex-direction: column; gap: 2px; }
.cal-roster-name { font-size: 0.9em; padding: 2px 0; }

/* -- Facts View ----------------------------------------------------------- */

.facts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--space-3); margin-top: var(--space-3); }
.facts-item { background: var(--color-background); border-radius: var(--radius); padding: var(--space-3); }
.facts-label { font-size: 0.75em; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin-bottom: 4px; }
.facts-value { font-size: 1.25em; font-weight: 600; color: var(--color-text); word-break: break-all; }
.facts-mono { font-family: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace; font-size: 0.85em; font-weight: 400; }