/* W&M Theme — Design Tokens & Shared Components */
/* William & Mary — Raymond A. Mason School of Business */

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

:root {
    /* W&M Brand Colors */
    --wm-green: #004E38;
    --wm-dark-green: #00231B;
    --wm-gold: #B79257;
    --wm-gold-light: #D4B07A;
    --wm-gold-text: #866F45;
    --wm-griffin: #28463D;
    --wm-silver: #D8DCDB;
    --wm-white: #FFFFFF;

    /* Functional Colors */
    --color-bg: #f5f6f5;
    --color-text: #333333;
    --color-text-secondary: #666666;
    --color-text-muted: #999999;
    --color-border: #e0e0e0;
    --color-success: #2e7d32;
    --color-warning: #f57c00;
    --color-error: #c62828;
    --color-info: #1565c0;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-pill: 999px;
}

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

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

body {
    font-family: 'Roboto', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    font-size: 15px;
}

h1, h2, h3, h4 {
    font-family: 'Aleo', serif;
    color: var(--wm-green);
    margin: 0 0 var(--space-md) 0;
    line-height: 1.3;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }

p { margin: 0 0 var(--space-md) 0; }

a {
    color: var(--wm-green);
    text-decoration: none;
}

a:hover { text-decoration: underline; }

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

.wm-header {
    background: var(--wm-green);
    color: var(--wm-white);
    padding: 1rem var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-md);
}

.wm-header__title {
    font-family: 'Aleo', serif;
    font-size: 1.35rem;
    margin: 0;
    color: var(--wm-white);
}

.wm-header__subtitle {
    font-size: 0.8rem;
    opacity: 0.75;
    margin: 0.15rem 0 0 0;
}

.wm-header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.wm-header__user {
    font-size: 0.85rem;
    opacity: 0.85;
}

.wm-header__link {
    color: var(--wm-gold-light);
    font-size: 0.85rem;
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit;
    padding: 0;
}

.wm-header__link:hover {
    color: var(--wm-white);
    text-decoration: underline;
}

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

.wm-container {
    max-width: 960px;
    margin: var(--space-xl) auto;
    padding: 0 var(--space-lg);
}

.wm-container--wide {
    max-width: 1200px;
}

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

.card {
    background: var(--wm-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.card h2 {
    font-size: 1.15rem;
    margin: 0 0 var(--space-md) 0;
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--wm-gold);
}

.card--highlight {
    border-left: 4px solid var(--wm-gold);
}

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

label {
    display: block;
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
    color: #444;
}

.label-hint {
    font-weight: 400;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    display: block;
    margin-bottom: 0.4rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
textarea,
select {
    width: 100%;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--color-text);
    background: var(--wm-white);
    transition: border-color 0.15s;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--wm-green);
    box-shadow: 0 0 0 2px rgba(0, 78, 56, 0.12);
}

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

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

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
    text-decoration: none;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn--primary {
    background: var(--wm-green);
    color: var(--wm-white);
}

.btn--primary:hover:not(:disabled) { background: var(--wm-dark-green); }

.btn--secondary {
    background: var(--wm-white);
    color: var(--wm-green);
    border: 1px solid var(--wm-green);
}

.btn--secondary:hover:not(:disabled) { background: #f0f5f3; }

.btn--gold {
    background: var(--wm-gold);
    color: var(--wm-white);
}

.btn--gold:hover:not(:disabled) { background: var(--wm-gold-text); }

.btn--danger {
    background: var(--color-error);
    color: var(--wm-white);
}

.btn--danger:hover:not(:disabled) { background: #a01e1e; }

.btn--sm { padding: 0.35rem 0.85rem; font-size: 0.8rem; }
.btn--lg { padding: 0.7rem 1.75rem; font-size: 1rem; }
.btn--block { display: flex; width: 100%; }

/* ---- Slider Control ---- */

.slider-control {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.slider-control input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--wm-silver);
    outline: none;
    border: none;
    padding: 0;
}

.slider-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--wm-green);
    cursor: pointer;
    border: 2px solid var(--wm-white);
    box-shadow: var(--shadow-sm);
}

.slider-control .slider-value {
    min-width: 2.5rem;
    text-align: center;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--wm-green);
}

/* ---- Radio Group ---- */

.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.radio-group label {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.35rem 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    font-weight: 400;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s;
    margin: 0;
}

.radio-group label:hover {
    border-color: var(--wm-green);
    background: #f0f5f3;
}

.radio-group input[type="radio"] {
    width: auto;
    margin: 0;
}

.radio-group input[type="radio"]:checked + span,
.radio-group label:has(input:checked) {
    background: var(--wm-green);
    color: var(--wm-white);
    border-color: var(--wm-green);
}

/* ---- Accordion ---- */

.accordion {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.accordion__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: #fafafa;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--wm-green);
    border: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
}

.accordion__header:hover { background: #f0f5f3; }

.accordion__arrow {
    transition: transform 0.2s;
    font-size: 0.8rem;
}

.accordion.open .accordion__arrow { transform: rotate(180deg); }

.accordion__body {
    display: none;
    padding: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.accordion.open .accordion__body { display: block; }

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

.badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge--green { background: #e8f5e9; color: var(--color-success); }
.badge--gold { background: #fff3e0; color: var(--wm-gold-text); }
.badge--red { background: #ffebee; color: var(--color-error); }
.badge--gray { background: #f5f5f5; color: var(--color-text-secondary); }

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

.toast-container {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.25s ease-out;
    max-width: 360px;
}

.toast--success { background: #e8f5e9; color: var(--color-success); border-left: 4px solid var(--color-success); }
.toast--error { background: #ffebee; color: var(--color-error); border-left: 4px solid var(--color-error); }
.toast--info { background: #e3f2fd; color: var(--color-info); border-left: 4px solid var(--color-info); }
.toast--warning { background: #fff3e0; color: var(--color-warning); border-left: 4px solid var(--color-warning); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(1rem); }
    to { opacity: 1; transform: translateX(0); }
}

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

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 900;
    animation: fadeIn 0.15s;
}

.modal {
    background: var(--wm-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-xl);
    max-width: 480px;
    width: 90%;
}

.modal h3 { margin-bottom: var(--space-md); }

.modal__actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

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

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

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--wm-silver);
    border-top-color: var(--wm-green);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.spinner--lg { width: 36px; height: 36px; border-width: 3px; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Progress Stepper ---- */

.stepper {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: var(--space-xl);
    padding: 0 var(--space-md);
}

.stepper__step {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.stepper__step.active {
    color: var(--wm-green);
    font-weight: 600;
}

.stepper__step.completed {
    color: var(--color-success);
}

.stepper__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--wm-silver);
    flex-shrink: 0;
}

.stepper__step.active .stepper__dot { background: var(--wm-green); }
.stepper__step.completed .stepper__dot { background: var(--color-success); }

.stepper__line {
    flex: 1;
    height: 2px;
    background: var(--wm-silver);
    min-width: 20px;
    margin: 0 var(--space-xs);
}

.stepper__step.completed + .stepper__line { background: var(--color-success); }

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

.wm-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.wm-table th {
    text-align: left;
    padding: 0.6rem 0.75rem;
    border-bottom: 2px solid var(--wm-green);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--wm-green);
}

.wm-table td {
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.wm-table tbody tr:hover { background: #fafafa; }

/* ---- Utility ---- */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-secondary); }
.text-sm { font-size: 0.85rem; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.gap-sm { gap: var(--space-sm); }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.hidden { display: none !important; }

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

@media (max-width: 768px) {
    .wm-header { padding: 0.75rem 1rem; }
    .wm-header__title { font-size: 1.1rem; }
    .wm-container { padding: 0 var(--space-md); }
    .form-row { grid-template-columns: 1fr; }
    .stepper { overflow-x: auto; }
}