/* ========================================
   MHIS Components - Reusable UI Elements
   Premium, consistent, scalable
   ======================================== */

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: var(--text-body);
    font-weight: 600;
    font-family: var(--font-sans);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    background: var(--color-secondary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.btn-secondary {
    background: transparent;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
}

.btn-secondary:hover {
    background: var(--color-secondary);
    color: white;
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-primary);
}

.btn-ghost:hover {
    background: var(--color-surface-alt);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--text-small);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ===== Cards ===== */
.card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-float);
}

.card-header {
    margin-bottom: var(--space-4);
}

.card-title {
    font-size: var(--text-h4);
    font-weight: 600;
    margin: 0;
}

.card-body {
    color: var(--color-text-secondary);
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: var(--space-6);
}

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

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--text-body);
    font-family: var(--font-sans);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-secondary);
}

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

/* ===== Accordion ===== */
.accordion {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid var(--color-border);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    padding: var(--space-4) var(--space-6);
    background: var(--color-surface);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition-fast);
}

.accordion-header:hover {
    background: var(--color-surface-alt);
}

.accordion-body {
    padding: var(--space-4) var(--space-6);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    display: none;
}

.accordion-item.active .accordion-body {
    display: block;
}

/* ===== Badges ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: var(--text-small);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-info);
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    max-width: 600px;
    width: 90%;
    box-shadow: var(--shadow-xl);
}

/* ===== Tooltips ===== */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltip-text {
    visibility: hidden;
    background: var(--color-primary);
    color: white;
    text-align: center;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    position: absolute;
    z-index: 100;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--text-small);
    white-space: nowrap;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    gap: var(--space-2);
    list-style: none;
    padding: 0;
    margin: var(--space-8) 0;
}

.pagination li a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-3);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.pagination li a:hover {
    background: var(--color-secondary);
    color: white;
    border-color: var(--color-secondary);
}

.pagination li.active a {
    background: var(--color-secondary);
    color: white;
    border-color: var(--color-secondary);
}