/* ===========================================
   PICO CSS OVERRIDES - Mendelbot 2026
   Modern teal theme customizations
   =========================================== */

:root {
    /* ===========================================
       PRIMARY COLOR OVERRIDES - Teal Brand
       =========================================== */

    /* Override Pico's blue with our teal */
    --pico-primary: var(--brand-primary-500);
    --pico-primary-background: var(--brand-primary-50);
    --pico-primary-border: var(--brand-primary-500);
    --pico-primary-inverse: #ffffff;
    --pico-primary-hover: var(--brand-primary-600);
    --pico-primary-focus: var(--brand-primary-500);

    /* Secondary colors */
    --pico-secondary: var(--neutral-600);
    --pico-secondary-background: var(--neutral-100);
    --pico-secondary-inverse: #ffffff;
    --pico-secondary-hover: var(--neutral-700);

    /* Semantic colors */
    --pico-ins-color: var(--color-success-500);
    --pico-del-color: var(--color-error-500);

    /* Background and surface colors */
    --pico-background-color: var(--background);
    --pico-card-background-color: var(--surface);

    /* Text colors */
    --pico-color: var(--text);
    --pico-muted-color: var(--text-muted);

    /* Border colors */
    --pico-muted-border-color: var(--border);

    /* Shadows */
    --pico-box-shadow: var(--shadow-sm);

    /* Border radius */
    --pico-border-radius: var(--radius-md);

    /* Typography */
    --pico-font-family: var(--font-sans);
    --pico-font-size: var(--font-size-base);
    --pico-line-height: var(--line-height-normal);
}

[data-theme="dark"] {
    /* Dark mode primary colors */
    --pico-primary: var(--brand-primary-400);
    --pico-primary-background: rgba(20, 184, 166, 0.1);
    --pico-primary-border: var(--brand-primary-400);
    --pico-primary-inverse: var(--neutral-900);
    --pico-primary-hover: var(--brand-primary-300);
    --pico-primary-focus: var(--brand-primary-400);

    /* Dark mode secondary */
    --pico-secondary: var(--neutral-400);
    --pico-secondary-background: var(--neutral-800);
    --pico-secondary-inverse: var(--neutral-900);
    --pico-secondary-hover: var(--neutral-300);

    /* Dark mode backgrounds */
    --pico-background-color: var(--background);
    --pico-card-background-color: var(--surface);

    /* Dark mode text */
    --pico-color: var(--text);
    --pico-muted-color: var(--text-muted);

    /* Dark mode borders */
    --pico-muted-border-color: var(--border);

    /* Dark mode shadows */
    --pico-box-shadow: var(--shadow-sm);
}

/* ===========================================
   BUTTON ENHANCEMENTS
   =========================================== */

/* Primary button - Teal gradient with micro-interactions */
button:not([role="switch"], [type="checkbox"], [type="radio"]),
input[type="submit"],
input[type="button"],
input[type="reset"],
[role="button"] {
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast),
                box-shadow var(--transition-base),
                background-color var(--transition-base);
}

/* Primary button styling */
button:not([role="switch"], [type="checkbox"], [type="radio"]),
input[type="submit"],
[role="button"]:not(.outline, .secondary, .contrast) {
    background: linear-gradient(135deg, var(--brand-primary-500), var(--brand-primary-600));
    box-shadow: var(--shadow-sm);
}

button:not([role="switch"], [type="checkbox"], [type="radio"]):hover,
input[type="submit"]:hover,
[role="button"]:not(.outline, .secondary, .contrast):hover {
    background: linear-gradient(135deg, var(--brand-primary-600), var(--brand-primary-700));
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

button:not([role="switch"], [type="checkbox"], [type="radio"]):active,
input[type="submit"]:active,
[role="button"]:not(.outline, .secondary, .contrast):active {
    transform: translateY(0);
    box-shadow: var(--shadow-xs);
}

/* Secondary button */
button.secondary,
[role="button"].secondary {
    background-color: var(--surface-elevated);
    color: var(--text);
    border: 1px solid var(--border);
}

button.secondary:hover,
[role="button"].secondary:hover {
    background-color: var(--neutral-100);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

/* Outline button */
button.outline,
[role="button"].outline {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

button.outline:hover,
[role="button"].outline:hover {
    background-color: var(--brand-primary-50);
    transform: translateY(-1px);
}

[data-theme="dark"] button.outline:hover,
[data-theme="dark"] [role="button"].outline:hover {
    background-color: rgba(20, 184, 166, 0.1);
}

/* ===========================================
   CARD & ARTICLE ENHANCEMENTS
   =========================================== */

article {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: box-shadow var(--transition-base),
                transform var(--transition-base);
}

article:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Article headers */
article header {
    border-bottom: 1px solid var(--border);
}

article footer {
    border-top: 1px solid var(--border);
}

/* ===========================================
   FORM ELEMENTS
   =========================================== */

/* Input fields with focus glow */
input:not([type="checkbox"], [type="radio"], [type="range"], [type="file"]),
select,
textarea {
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: border-color var(--transition-base),
                box-shadow var(--transition-base);
}

input:not([type="checkbox"], [type="radio"], [type="range"], [type="file"]):focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: var(--shadow-focus);
    outline: none;
}

/* ===========================================
   BADGES & TAGS
   =========================================== */

/* Enhanced badge styling */
.badge,
[role="status"],
mark,
ins {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-wide);
    display: inline-block;
}

/* Success badge — uses 700 for WCAG AA white text contrast (5.92:1) */
ins,
.badge.success,
.badge.active {
    background: var(--color-success-700);
    color: white;
    border: none;
}

/* Warning badge — uses 700 for WCAG AA white text contrast (4.88:1) */
mark,
.badge.warning,
.badge.pending {
    background: var(--color-warning-700);
    color: white;
    border: none;
}

/* Error badge */
del,
.badge.error {
    background: var(--color-error-500);
    color: white;
    text-decoration: none;
    border: none;
}

/* Info badge */
.badge.info {
    background: var(--color-info-500);
    color: white;
    border: none;
}

/* Inactive/secondary badge */
.badge.inactive,
.badge.secondary {
    background: var(--neutral-200);
    color: var(--neutral-700);
    border: none;
}

[data-theme="dark"] .badge.inactive,
[data-theme="dark"] .badge.secondary {
    background: var(--neutral-700);
    color: var(--neutral-200);
}

/* ===========================================
   LINKS
   =========================================== */

a {
    color: var(--primary-text);
    transition: color var(--transition-base);
}

a:hover {
    color: var(--primary-hover);
}

/* ===========================================
   TABLES
   =========================================== */

table {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

thead {
    background: var(--surface-elevated);
    border-bottom: 2px solid var(--border);
}

th {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--text-muted);
}

tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background-color var(--transition-base);
}

tbody tr:hover {
    background-color: var(--surface-elevated);
}

/* ===========================================
   MODALS & DIALOGS
   =========================================== */

dialog {
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-2xl);
    animation: scale-in var(--transition-base);
}

dialog::backdrop {
    backdrop-filter: blur(4px);
    background: rgba(0, 0, 0, 0.5);
    animation: fade-in var(--transition-base);
}

/* ===========================================
   PROGRESS & LOADING
   =========================================== */

progress {
    border-radius: var(--radius-full);
    overflow: hidden;
}

progress::-webkit-progress-bar {
    background-color: var(--neutral-200);
}

progress::-webkit-progress-value {
    background: linear-gradient(90deg, var(--brand-primary-500), var(--brand-primary-400));
}

progress::-moz-progress-bar {
    background: linear-gradient(90deg, var(--brand-primary-500), var(--brand-primary-400));
}

[data-theme="dark"] progress::-webkit-progress-bar {
    background-color: var(--neutral-800);
}

/* ===========================================
   TOOLTIPS & POPOVERS
   =========================================== */

[data-tooltip] {
    position: relative;
}

[data-tooltip]::before,
[data-tooltip]::after {
    border-radius: var(--radius-md);
}

/* ===========================================
   ACCESSIBILITY ENHANCEMENTS
   =========================================== */

/* Enhanced focus states — uses primary-text for WCAG AA contrast (3:1+ on both light/dark) */
*:focus-visible {
    outline: 2px solid var(--primary-text);
    outline-offset: 2px;
}

/* Focus within containers */
:focus-within {
    outline: none;
}

/* Skip links */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: var(--space-2) var(--space-4);
    text-decoration: none;
    border-radius: var(--radius-md);
    z-index: 9999;
}

.skip-link:focus {
    top: 0;
}

/* Required field indicators — red asterisk after labels that precede required inputs.
   Only targets adjacent-sibling pattern (label + input). Pico's wrapping-label pattern
   (label > input) is excluded because ::after would appear below the input, not beside the text. */
label:has(+ input:required)::after,
label:has(+ select:required)::after,
label:has(+ textarea:required)::after {
    content: " *" / "";  /* alt text empty so screen readers ignore (required attr handles it) */
    color: var(--color-error-500);
}