/* ═══════════════════════════════════════════════════════════
   SEMANTIC DESIGN SYSTEM
   Built on top of the Jumbo color palette
   ═══════════════════════════════════════════════════════════ */

/* ─── LINKS ─── */
.link {
    color: var(--jumbo-blue);
    text-decoration: underline;
    cursor: pointer;
    transition: color 0.2s ease;
}
.link:hover { color: var(--jumbo-blue-dark); }

.link-accent {
    color: var(--tangerine);
    text-decoration: underline;
    cursor: pointer;
    transition: color 0.2s ease;
}
.link-accent:hover { color: var(--tangerine-dark); }

/* ─── BUTTONS: Primary CTA ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--jumbo-blue);
    color: var(--neutral-900);
}
.btn-primary:hover {
    background: var(--jumbo-blue-dark);
    transform: translateY(-1px);
}

.btn-accent {
    background: var(--tangerine);
    color: white;
}
.btn-accent:hover {
    background: var(--tangerine-dark);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--jumbo-blue);
    color: var(--jumbo-blue);
}
.btn-outline:hover {
    background: var(--jumbo-blue-light);
}

.btn-danger {
    background: var(--terracotta);
    color: white;
}
.btn-danger:hover {
    background: var(--terracotta-dark);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--neutral-600);
}
.btn-ghost:hover {
    background: var(--neutral-200);
}
[data-theme="dark"] .btn-ghost { color: var(--neutral-400); }
[data-theme="dark"] .btn-ghost:hover { background: var(--neutral-700); }

/* ─── ALERTS ─── */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
}

.alert-info {
    background: var(--info-light);
    color: var(--jumbo-blue-dark);
}
[data-theme="dark"] .alert-info {
    background: rgba(102, 180, 244, 0.15);
    color: var(--jumbo-blue);
}

.alert-success {
    background: var(--success-light);
    color: #3a7a54;
}
[data-theme="dark"] .alert-success {
    background: rgba(74, 154, 106, 0.15);
    color: var(--success);
}

.alert-warning {
    background: var(--warning-light);
    color: var(--marigold-dark);
}
[data-theme="dark"] .alert-warning {
    background: rgba(232, 166, 40, 0.15);
    color: var(--marigold);
}

.alert-error {
    background: var(--error-light);
    color: var(--terracotta-dark);
}
[data-theme="dark"] .alert-error {
    background: rgba(216, 90, 58, 0.15);
    color: var(--terracotta);
}

/* ─── BADGES ─── */
.badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-primary {
    background: var(--jumbo-blue-light);
    color: var(--jumbo-blue-dark);
}
[data-theme="dark"] .badge-primary {
    background: rgba(102, 180, 244, 0.2);
    color: var(--jumbo-blue);
}

.badge-accent {
    background: var(--tangerine-light);
    color: var(--tangerine-dark);
}
[data-theme="dark"] .badge-accent {
    background: rgba(232, 130, 58, 0.2);
    color: var(--tangerine);
}

.badge-success {
    background: var(--success-light);
    color: #3a7a54;
}
[data-theme="dark"] .badge-success {
    background: rgba(74, 154, 106, 0.2);
    color: var(--success);
}

.badge-warning {
    background: var(--marigold-light);
    color: var(--marigold-dark);
}
[data-theme="dark"] .badge-warning {
    background: rgba(232, 166, 40, 0.2);
    color: var(--marigold);
}

.badge-error {
    background: var(--terracotta-light);
    color: var(--terracotta-dark);
}
[data-theme="dark"] .badge-error {
    background: rgba(216, 90, 58, 0.2);
    color: var(--terracotta);
}

/* ─── SURFACES ─── */
.surface {
    background: var(--neutral-50);
    border: 1px solid var(--neutral-200);
    border-radius: 8px;
}
[data-theme="dark"] .surface {
    background: var(--neutral-800);
    border-color: var(--neutral-700);
}

.surface-elevated {
    background: var(--neutral-100);
    border: 1px solid var(--neutral-200);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
[data-theme="dark"] .surface-elevated {
    background: var(--neutral-800);
    border-color: var(--neutral-700);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.surface-sand {
    background: var(--sand-light);
}
[data-theme="dark"] .surface-sand {
    background: var(--neutral-800);
}

/* ─── FORM INPUTS ─── */
.input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border-radius: 6px;
    font-size: 0.875rem;
    border: 1px solid var(--neutral-300);
    background: var(--neutral-50);
    color: var(--neutral-700);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.input::placeholder { color: var(--neutral-400); }
.input:focus {
    outline: none;
    border-color: var(--jumbo-blue);
    box-shadow: 0 0 0 3px var(--jumbo-blue-light);
}
[data-theme="dark"] .input {
    background: var(--neutral-900);
    border-color: var(--neutral-600);
    color: var(--neutral-200);
}
[data-theme="dark"] .input:focus {
    box-shadow: 0 0 0 3px rgba(102, 180, 244, 0.2);
}

/* ─── HIGHLIGHT ─── */
.highlight {
    background: var(--marigold-light);
    padding: 0.125rem 0.25rem;
    border-radius: 2px;
}
[data-theme="dark"] .highlight {
    background: var(--marigold-dark);
    color: var(--neutral-900);
}

/* ─── ASCII DOT HIGHLIGHT ─── */
.bg-ascii-dots {
    position: relative;
    font-weight: 700;
    padding: 0.05em 0.35em;
    white-space: nowrap;
}

/* Halftone dot pattern behind content */
.bg-ascii-dots::before {
    content: '';
    position: absolute;
    inset: -1px -2px;
    background-image: radial-gradient(circle, currentColor 0.9px, transparent 0.9px);
    background-size: 5px 5px;
    opacity: 0.4;
    z-index: -1;
    border-radius: 3px;
}

/* Dot color variants (text color stays inherited) */
.bg-ascii-dots--blue::before       { background-image: radial-gradient(circle, var(--jumbo-blue) 0.9px, transparent 0.9px); opacity: 0.3; }
.bg-ascii-dots--tangerine::before   { background-image: radial-gradient(circle, var(--tangerine) 0.9px, transparent 0.9px); opacity: 0.3; }
.bg-ascii-dots--marigold::before    { background-image: radial-gradient(circle, var(--marigold) 0.9px, transparent 0.9px); opacity: 0.35; }
.bg-ascii-dots--terracotta::before  { background-image: radial-gradient(circle, var(--terracotta) 0.9px, transparent 0.9px); opacity: 0.3; }

/* Button: sharp flat box-shadow */
button.bg-ascii-dots {
    border-radius: 0;
    box-shadow: 4px 4px 0 currentColor;
}

button.bg-ascii-dots:hover {
    box-shadow: 2px 2px 0 currentColor;
    transform: translate(2px, 2px);
}

/* ─── ACCENT HIGHLIGHT ─── */
.highlight-accent {
    background: rgba(45, 212, 168, 0.15);
    padding: 0.125rem 0.35rem;
    border-radius: 2px;
    border-bottom: 2px solid #2DD4A8;
}
[data-theme="dark"] .highlight-accent {
    background: rgba(45, 212, 168, 0.12);
}

/* ─── DIVIDERS ─── */
.divider {
    height: 1px;
    background: var(--neutral-200);
    border: none;
}
[data-theme="dark"] .divider {
    background: var(--neutral-700);
}

/* ─── STATUS INDICATORS ─── */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}
.status-dot-success { background: var(--success); }
.status-dot-warning { background: var(--marigold); }
.status-dot-error { background: var(--terracotta); }
.status-dot-info { background: var(--jumbo-blue); }