/**
 * ItsMyIdeas.com — Components
 * 
 * Buttons, forms, badges, and card foundation.
 * Note: Idea Card markup is defined in search-discovery.css and templates.
 * This file provides the design-token-based foundation.
 *
 * @package kadence-child
 * @version 1.0.0
 */

/* ═══════════════════════════════════════ */
/* BUTTONS                                  */
/* ═══════════════════════════════════════ */

/* Primary Button */
.imi-btn,
.imi-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--imi-space-2);
    background: var(--imi-blue-600);
    color: var(--imi-text-white);
    padding: 0.625rem 1.5rem;
    border: none;
    border-radius: var(--imi-radius-md);
    font-family: var(--imi-font-body);
    font-size: var(--imi-text-base);
    font-weight: 600;
    line-height: 1.5;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--imi-transition-fast),
                box-shadow var(--imi-transition-fast),
                transform var(--imi-transition-fast);
    -webkit-tap-highlight-color: transparent;
    min-height: 44px;
}

.imi-btn-primary:hover,
.imi-btn:hover {
    background: var(--imi-blue-700);
    color: var(--imi-text-white);
    box-shadow: var(--imi-shadow-sm);
    text-decoration: none;
}

.imi-btn-primary:active,
.imi-btn:active {
    transform: translateY(1px);
}

.imi-btn-primary:focus-visible,
.imi-btn:focus-visible {
    outline: 2px solid var(--imi-blue-500);
    outline-offset: 2px;
}

/* Secondary Button */
.imi-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--imi-space-2);
    background: transparent;
    color: var(--imi-blue-600);
    border: 1.5px solid var(--imi-blue-600);
    padding: 0.5625rem 1.375rem;
    border-radius: var(--imi-radius-md);
    font-family: var(--imi-font-body);
    font-size: var(--imi-text-base);
    font-weight: 600;
    line-height: 1.5;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--imi-transition-fast);
    min-height: 44px;
}

.imi-btn-secondary:hover {
    background: var(--imi-blue-50);
    border-color: var(--imi-blue-700);
    color: var(--imi-blue-700);
    text-decoration: none;
}

.imi-btn-secondary:focus-visible {
    outline: 2px solid var(--imi-blue-500);
    outline-offset: 2px;
}

/* Ghost Button */
.imi-btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--imi-space-2);
    background: transparent;
    color: var(--imi-text-muted);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--imi-radius-md);
    font-family: var(--imi-font-body);
    font-size: var(--imi-text-sm);
    font-weight: 500;
    line-height: 1.5;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--imi-transition-fast);
    min-height: 40px;
}

.imi-btn-ghost:hover {
    color: var(--imi-blue-600);
    background: var(--imi-blue-50);
    text-decoration: none;
}

.imi-btn-ghost:focus-visible {
    outline: 2px solid var(--imi-blue-500);
    outline-offset: 2px;
}

/* Button Sizes */
.imi-btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: var(--imi-text-sm);
    min-height: 32px;
}

.imi-btn-lg {
    padding: 0.75rem 2rem;
    font-size: var(--imi-text-lg);
    min-height: 48px;
}

/* Disabled State */
.imi-btn:disabled,
.imi-btn-primary:disabled,
.imi-btn-secondary:disabled,
.imi-btn-ghost:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ═══════════════════════════════════════ */
/* FORMS                                    */
/* ═══════════════════════════════════════ */

.imi-form-group {
    margin-bottom: var(--imi-space-5);
}

.imi-label {
    display: block;
    font-size: var(--imi-text-sm);
    font-weight: 600;
    color: var(--imi-text);
    margin-bottom: var(--imi-space-2);
}

.imi-label-optional {
    font-weight: 400;
    color: var(--imi-text-light);
    font-size: var(--imi-text-xs);
}

.imi-input,
.imi-textarea,
.imi-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-family: var(--imi-font-body);
    font-size: var(--imi-text-base);
    color: var(--imi-text);
    background: var(--imi-surface);
    border: 1.5px solid var(--imi-border);
    border-radius: var(--imi-radius-md);
    transition: border-color var(--imi-transition-fast),
                box-shadow var(--imi-transition-fast);
    -webkit-appearance: none;
}

.imi-input:focus,
.imi-textarea:focus,
.imi-select:focus {
    border-color: var(--imi-blue-500);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

.imi-input::placeholder,
.imi-textarea::placeholder {
    color: var(--imi-text-light);
}

.imi-textarea {
    min-height: 120px;
    resize: vertical;
}

.imi-select {
    padding-right: 2.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23475569' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
}

/* Form Helper Text */
.imi-form-help {
    font-size: var(--imi-text-xs);
    color: var(--imi-text-light);
    margin-top: var(--imi-space-1);
}

/* Form Validation States */
.imi-input.is-error,
.imi-textarea.is-error {
    border-color: var(--imi-error);
}

.imi-input.is-error:focus,
.imi-textarea.is-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.imi-form-error {
    font-size: var(--imi-text-xs);
    color: var(--imi-error);
    margin-top: var(--imi-space-1);
}

.imi-input.is-success,
.imi-textarea.is-success {
    border-color: var(--imi-success);
}

/* ═══════════════════════════════════════ */
/* BADGES                                   */
/* ═══════════════════════════════════════ */

.imi-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--imi-radius-full);
    line-height: 1.4;
    white-space: nowrap;
    letter-spacing: 0.01em;
}

/* Idea Type Badge */
.imi-badge-type {
    background: var(--imi-blue-50);
    color: var(--imi-blue-700);
}

/* Domain Badge */
.imi-badge-domain {
    background: var(--imi-navy-100);
    color: var(--imi-navy-700);
}

/* Technology Badge */
.imi-badge-tech {
    background: var(--imi-navy-50);
    color: var(--imi-navy-600);
}

/* Difficulty Badges */
.imi-badge-beginner {
    background: var(--imi-success-bg);
    color: var(--imi-success-text);
}

.imi-badge-intermediate {
    background: var(--imi-warning-bg);
    color: var(--imi-warning-text);
}

.imi-badge-advanced {
    background: var(--imi-error-bg);
    color: var(--imi-error-text);
}

/* ═══════════════════════════════════════ */
/* CARD FOUNDATION                          */
/* ═══════════════════════════════════════ */

.imi-card {
    background: var(--imi-surface);
    border: 1px solid var(--imi-border);
    border-radius: var(--imi-radius-lg);
    box-shadow: var(--imi-shadow-xs);
    overflow: hidden;
    transition: box-shadow var(--imi-transition-base),
                transform var(--imi-transition-base);
    display: flex;
    flex-direction: column;
}

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

.imi-card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: var(--imi-bg-muted);
}

.imi-card-body {
    padding: var(--imi-space-5);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.imi-card-title {
    font-size: var(--imi-heading-4);
    font-weight: 700;
    color: var(--imi-text);
    line-height: 1.35;
    margin: 0 0 var(--imi-space-2) 0;
}

.imi-card-title a {
    color: inherit;
    text-decoration: none;
}

.imi-card-title a:hover {
    color: var(--imi-blue-600);
    text-decoration: none;
}

/* Title clamp (max 3 lines) */
.imi-card-title {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.imi-card-excerpt {
    font-size: var(--imi-text-sm);
    color: var(--imi-text-muted);
    line-height: 1.55;
    margin: 0 0 var(--imi-space-4) 0;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.imi-card-meta {
    display: flex;
    align-items: center;
    gap: var(--imi-space-2);
    margin-bottom: var(--imi-space-3);
    flex-wrap: wrap;
}

.imi-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--imi-space-3);
    border-top: 1px solid var(--imi-border-light);
}

.imi-card-date {
    font-size: var(--imi-text-xs);
    color: var(--imi-text-light);
}

/* Card Grid */
.imi-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--imi-space-6);
}

/* ═══════════════════════════════════════ */
/* CARDS RESPONSIVE                         */
/* ═══════════════════════════════════════ */

@media (max-width: 1023px) {
    .imi-card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--imi-space-5);
    }
}

@media (max-width: 639px) {
    .imi-card-grid {
        grid-template-columns: 1fr;
        gap: var(--imi-space-4);
    }
}

/* ═══════════════════════════════════════ */
/* BADGES RESPONSIVE                        */
/* ═══════════════════════════════════════ */

@media (max-width: 639px) {
    .imi-badge {
        font-size: 0.7rem;
        padding: 0.15rem 0.5rem;
    }
}

/* ═══════════════════════════════════════ */
/* BUTTONS RESPONSIVE                       */
/* ═══════════════════════════════════════ */

@media (max-width: 639px) {
    .imi-btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}

/* ═══════════════════════════════════════ */
/* BREADCRUMBS                              */
/* ═══════════════════════════════════════ */

.imi-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--imi-space-2);
    font-size: var(--imi-text-sm);
    color: var(--imi-text-light);
    padding: var(--imi-space-3) 0;
    flex-wrap: wrap;
}

.imi-breadcrumb a {
    color: var(--imi-text-light);
    text-decoration: none;
    transition: color var(--imi-transition-fast);
}

.imi-breadcrumb a:hover {
    color: var(--imi-blue-600);
    text-decoration: underline;
}

.imi-breadcrumb-sep {
    color: var(--imi-navy-300);
    font-size: 0.7em;
}

.imi-breadcrumb-current {
    color: var(--imi-text-muted);
    font-weight: 500;
}

/* ═══════════════════════════════════════ */
/* PAGINATION                               */
/* ═══════════════════════════════════════ */

.imi-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--imi-space-2);
    padding: var(--imi-space-8) 0;
}

.imi-pagination a,
.imi-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--imi-space-3);
    border: 1px solid var(--imi-border);
    border-radius: var(--imi-radius-md);
    font-size: var(--imi-text-sm);
    color: var(--imi-text-muted);
    text-decoration: none;
    transition: all var(--imi-transition-fast);
}

.imi-pagination a:hover {
    background: var(--imi-blue-600);
    color: var(--imi-text-white);
    border-color: var(--imi-blue-600);
    text-decoration: none;
}

.imi-pagination .current {
    background: var(--imi-blue-600);
    color: var(--imi-text-white);
    border-color: var(--imi-blue-600);
    font-weight: 600;
}

/* ═══════════════════════════════════════ */
/* EMPTY STATE                              */
/* ═══════════════════════════════════════ */

.imi-empty {
    text-align: center;
    padding: var(--imi-space-16) var(--imi-space-4);
}

.imi-empty-icon {
    font-size: 3rem;
    margin-bottom: var(--imi-space-4);
    opacity: 0.4;
}

.imi-empty h2 {
    font-size: var(--imi-heading-2);
    color: var(--imi-text-heading);
    margin-bottom: var(--imi-space-2);
    margin-top: 0;
}

.imi-empty p {
    color: var(--imi-text-muted);
    font-size: var(--imi-text-lg);
    max-width: 500px;
    margin: 0 auto var(--imi-space-6);
}

/* ═══════════════════════════════════════ */
/* SKELETON LOADER                          */
/* ═══════════════════════════════════════ */

@keyframes imi-skeleton-pulse {
    0% { opacity: 1; }
    50% { opacity: 0.4; }
    100% { opacity: 1; }
}

.imi-skeleton {
    background: var(--imi-bg-muted);
    border-radius: var(--imi-radius-md);
    animation: imi-skeleton-pulse 1.5s ease-in-out infinite;
}

.imi-skeleton-text {
    height: 1rem;
    margin-bottom: var(--imi-space-2);
    border-radius: var(--imi-radius-sm);
}

.imi-skeleton-text:last-child {
    width: 60%;
}

.imi-skeleton-image {
    aspect-ratio: 16 / 9;
    width: 100%;
}