/**
 * Bucksalc Unified Button Component System
 *
 * Combines best patterns from:
 * - Zonkey theme button system (comprehensive variants)
 * - Bucksalc theme buttons (pill style, arrow buttons)
 * - Card-specific button patterns
 *
 * @version 1.0.0
 */

/* ==============================================
   CSS CUSTOM PROPERTIES
   ============================================== */

:root {
    /* Button Structure */
    --btn-padding: 0.75rem 1.5rem;
    --btn-padding-sm: 0.5rem 1rem;
    --btn-padding-lg: 1rem 2rem;
    --btn-font-size: 1rem;
    --btn-font-size-sm: 0.875rem;
    --btn-font-size-lg: 1.125rem;
    --btn-font-weight: 600;
    --btn-line-height: 1.5;

    /* Button Shape */
    --btn-border-radius: 4px;
    --btn-border-radius-pill: 1000px;
    --btn-border-width: 2px;

    /* Button Colors */
    --btn-primary-bg: var(--color-primary, #2E2766);
    --btn-primary-color: #ffffff;
    --btn-primary-hover-bg: var(--color-secondary, #E67E23);
    --btn-secondary-bg: var(--color-secondary, #E67E23);
    --btn-secondary-color: #ffffff;
    --btn-secondary-hover-bg: var(--color-primary, #2E2766);
    --btn-black-bg: #111827;
    --btn-black-hover-bg: #000000;
    --btn-white-bg: #ffffff;
    --btn-white-color: #1f2937;
    --btn-white-hover-bg: #f9fafb;

    /* Button Effects */
    --btn-transition: all 0.3s ease;
    --btn-hover-lift: -1px;
    --btn-hover-lift-lg: -2px;
    --btn-focus-outline: 2px solid var(--color-primary, #2E2766);
    --btn-focus-offset: 2px;
}

/* ==============================================
   BASE BUTTON
   ============================================== */

.bucksalc-btn {
    /* Display */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;

    /* Typography */
    font-family: inherit;
    font-weight: var(--btn-font-weight);
    font-size: var(--btn-font-size);
    line-height: var(--btn-line-height);
    text-align: center;
    text-decoration: none !important;
    white-space: nowrap;

    /* Structure */
    padding: var(--btn-padding);
    border: var(--btn-border-width) solid transparent;
    border-radius: var(--btn-border-radius);

    /* Interaction */
    cursor: pointer;
    transition: var(--btn-transition);
    user-select: none;

    /* Accessibility */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Override global link styles for buttons */
.bucksalc-btn,
.bucksalc-btn:hover,
.bucksalc-btn:focus,
.bucksalc-btn:active,
.bucksalc-btn:visited {
    text-decoration: none !important;
}

.bucksalc-btn:focus {
    outline: var(--btn-focus-outline);
    outline-offset: var(--btn-focus-offset);
}

.bucksalc-btn:focus:not(:focus-visible) {
    outline: none;
}

.bucksalc-btn:active {
    transform: translateY(0);
}

/* ==============================================
   BUTTON SIZES
   ============================================== */

.bucksalc-btn--sm {
    padding: var(--btn-padding-sm);
    font-size: var(--btn-font-size-sm);
}

.bucksalc-btn--lg {
    padding: var(--btn-padding-lg);
    font-size: var(--btn-font-size-lg);
}

/* ==============================================
   BUTTON SHAPES
   ============================================== */

.bucksalc-btn--pill {
    border-radius: var(--btn-border-radius-pill);
}

.bucksalc-btn--square {
    border-radius: 0;
}

/* ==============================================
   BUTTON VARIANTS - FILLED
   ============================================== */

/* Primary (Default) */
.bucksalc-btn--primary {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-color) !important;
    border-color: var(--btn-primary-bg);
}

.bucksalc-btn--primary:visited {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-color) !important;
    border-color: var(--btn-primary-bg);
}

.bucksalc-btn--primary:hover,
.bucksalc-btn--primary:focus,
.bucksalc-btn--primary:active {
    background: var(--btn-primary-hover-bg);
    border-color: var(--btn-primary-hover-bg);
    color: var(--btn-primary-color) !important;
    transform: translateY(var(--btn-hover-lift));
}

/* Secondary */
.bucksalc-btn--secondary {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-color) !important;
    border-color: var(--btn-secondary-bg);
}

.bucksalc-btn--secondary:visited {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-color) !important;
    border-color: var(--btn-secondary-bg);
}

.bucksalc-btn--secondary:hover,
.bucksalc-btn--secondary:focus,
.bucksalc-btn--secondary:active {
    background: var(--btn-secondary-hover-bg);
    border-color: var(--btn-secondary-hover-bg);
    color: var(--btn-secondary-color) !important;
    transform: translateY(var(--btn-hover-lift));
}

/* Black */
.bucksalc-btn--black {
    background: var(--btn-black-bg);
    color: #ffffff !important;
    border-color: var(--btn-black-bg);
}

.bucksalc-btn--black:visited {
    background: var(--btn-black-bg);
    color: #ffffff !important;
    border-color: var(--btn-black-bg);
}

.bucksalc-btn--black:hover,
.bucksalc-btn--black:focus,
.bucksalc-btn--black:active {
    background: var(--btn-black-hover-bg);
    border-color: var(--btn-black-hover-bg);
    color: #ffffff !important;
    transform: translateY(var(--btn-hover-lift));
}

/* White */
.bucksalc-btn--white {
    background: var(--btn-white-bg);
    color: var(--btn-white-color) !important;
    border-color: #e5e7eb;
}

.bucksalc-btn--white:visited {
    background: var(--btn-white-bg);
    color: var(--btn-white-color) !important;
    border-color: #e5e7eb;
}

.bucksalc-btn--white:hover,
.bucksalc-btn--white:focus,
.bucksalc-btn--white:active {
    background: var(--btn-white-hover-bg);
    border-color: #d1d5db;
    color: #111827 !important;
    transform: translateY(var(--btn-hover-lift));
}

/* ==============================================
   BUTTON VARIANTS - OUTLINED
   ============================================== */

.bucksalc-btn--outline-primary {
    background: transparent;
    color: var(--btn-primary-bg) !important;
    border-color: var(--btn-primary-bg);
}

.bucksalc-btn--outline-primary:visited {
    background: transparent;
    color: var(--btn-primary-bg) !important;
    border-color: var(--btn-primary-bg);
}

.bucksalc-btn--outline-primary:hover,
.bucksalc-btn--outline-primary:focus,
.bucksalc-btn--outline-primary:active {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-color) !important;
    transform: translateY(var(--btn-hover-lift));
}

.bucksalc-btn--outline-secondary {
    background: transparent;
    color: var(--btn-secondary-bg) !important;
    border-color: var(--btn-secondary-bg);
}

.bucksalc-btn--outline-secondary:visited {
    background: transparent;
    color: var(--btn-secondary-bg) !important;
    border-color: var(--btn-secondary-bg);
}

.bucksalc-btn--outline-secondary:hover,
.bucksalc-btn--outline-secondary:focus,
.bucksalc-btn--outline-secondary:active {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-color) !important;
    transform: translateY(var(--btn-hover-lift));
}

.bucksalc-btn--outline-black {
    background: transparent;
    color: #111827 !important;
    border-color: #111827;
}

.bucksalc-btn--outline-black:visited {
    background: transparent;
    color: #111827 !important;
    border-color: #111827;
}

.bucksalc-btn--outline-black:hover,
.bucksalc-btn--outline-black:focus,
.bucksalc-btn--outline-black:active {
    background: #111827;
    color: #ffffff !important;
    transform: translateY(var(--btn-hover-lift));
}

.bucksalc-btn--outline-white {
    background: transparent;
    color: #ffffff !important;
    border-color: #ffffff;
}

.bucksalc-btn--outline-white:visited {
    background: transparent;
    color: #ffffff !important;
    border-color: #ffffff;
}

.bucksalc-btn--outline-white:hover,
.bucksalc-btn--outline-white:focus,
.bucksalc-btn--outline-white:active {
    background: #ffffff;
    color: #111827 !important;
    transform: translateY(var(--btn-hover-lift));
}

/* ==============================================
   BUTTON VARIANTS - GHOST
   ============================================== */

.bucksalc-btn--ghost {
    background: transparent;
    color: var(--btn-primary-bg) !important;
    border-color: transparent;
}

.bucksalc-btn--ghost:visited {
    background: transparent;
    color: var(--btn-primary-bg) !important;
    border-color: transparent;
}

.bucksalc-btn--ghost:hover,
.bucksalc-btn--ghost:focus,
.bucksalc-btn--ghost:active {
    background: rgba(0, 0, 0, 0.05);
    color: var(--btn-primary-bg) !important;
    transform: translateY(var(--btn-hover-lift));
}

.bucksalc-btn--ghost-white {
    background: transparent;
    color: #ffffff !important;
    border-color: transparent;
}

.bucksalc-btn--ghost-white:visited {
    background: transparent;
    color: #ffffff !important;
    border-color: transparent;
}

.bucksalc-btn--ghost-white:hover,
.bucksalc-btn--ghost-white:focus,
.bucksalc-btn--ghost-white:active {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff !important;
    transform: translateY(var(--btn-hover-lift));
}

/* ==============================================
   BUTTON STATES
   ============================================== */

.bucksalc-btn:disabled,
.bucksalc-btn--disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
    transform: none !important;
}

.bucksalc-btn--loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.bucksalc-btn--loading::after {
    content: '';
    position: absolute;
    width: 1rem;
    height: 1rem;
    top: 50%;
    left: 50%;
    margin-left: -0.5rem;
    margin-top: -0.5rem;
    border: 2px solid currentColor;
    border-radius: 50%;
    border-top-color: transparent;
    animation: btn-spin 0.6s linear infinite;
}

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

/* ==============================================
   BUTTON WIDTH MODIFIERS
   ============================================== */

.bucksalc-btn--block {
    display: flex;
    width: 100%;
}

.bucksalc-btn--auto {
    width: auto;
}

/* ==============================================
   ARROW BUTTONS (Bucksalc Style)
   ============================================== */

.bucksalc-btn--arrow-right::after {
    content: '→';
    margin-left: 0.25rem;
    transition: transform 0.3s ease;
}

.bucksalc-btn--arrow-right:hover::after {
    transform: translateX(4px);
}

.bucksalc-btn--arrow-left::before {
    content: '←';
    margin-right: 0.25rem;
    transition: transform 0.3s ease;
}

.bucksalc-btn--arrow-left:hover::before {
    transform: translateX(-4px);
}

/* Icon/SVG Arrow Support */
.bucksalc-btn__icon {
    display: inline-flex;
    flex-shrink: 0;
    width: 1em;
    height: 1em;
    transition: transform 0.3s ease;
}

.bucksalc-btn--arrow-right:hover .bucksalc-btn__icon {
    transform: translateX(4px);
}

.bucksalc-btn--arrow-left:hover .bucksalc-btn__icon {
    transform: translateX(-4px);
}

/* ==============================================
   CARD FOOTER BUTTONS
   ============================================== */

/* Default card button styling */
.bucksalc-card__footer .bucksalc-btn {
    margin-top: auto;
}

/* Group multiple buttons in card footer */
.bucksalc-card__footer--button-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.bucksalc-card__footer--button-group .bucksalc-btn {
    flex: 1;
    min-width: fit-content;
}

/* Stacked buttons on mobile */
@media (max-width: 576px) {
    .bucksalc-card__footer--button-group {
        flex-direction: column;
    }

    .bucksalc-card__footer--button-group .bucksalc-btn {
        width: 100%;
    }
}

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

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .bucksalc-btn,
    .bucksalc-btn::before,
    .bucksalc-btn::after,
    .bucksalc-btn__icon {
        transition: none !important;
        animation: none !important;
    }

    .bucksalc-btn:hover,
    .bucksalc-btn:focus {
        transform: none !important;
    }

    .bucksalc-btn--arrow-right:hover::after,
    .bucksalc-btn--arrow-left:hover::before,
    .bucksalc-btn:hover .bucksalc-btn__icon {
        transform: none !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .bucksalc-btn {
        border-width: 2px;
    }

    .bucksalc-btn:hover {
        text-decoration: underline;
    }
}

/* ==============================================
   RESPONSIVE
   ============================================== */

@media (max-width: 768px) {
    :root {
        --btn-padding: 0.625rem 1.25rem;
        --btn-padding-sm: 0.5rem 0.875rem;
        --btn-padding-lg: 0.75rem 1.5rem;
        --btn-font-size: 0.938rem;
        --btn-font-size-sm: 0.813rem;
        --btn-font-size-lg: 1rem;
    }
}

@media (max-width: 480px) {
    :root {
        --btn-padding: 0.5rem 1rem;
        --btn-font-size: 0.875rem;
    }
}