/* =========================================================
   AluminiumGlass
   assets/css/buttons.css
   Global Button System
   ========================================================= */

/* ---------------------------------------------------------
   1. CSS VARIABLES
   --------------------------------------------------------- */

:root {
    --btn-primary: #2563eb;
    --btn-primary-hover: #1d4ed8;
    --btn-primary-active: #1e40af;

    --btn-secondary: #475569;
    --btn-secondary-hover: #334155;
    --btn-secondary-active: #1e293b;

    --btn-success: #16a34a;
    --btn-success-hover: #15803d;
    --btn-success-active: #166534;

    --btn-danger: #dc2626;
    --btn-danger-hover: #b91c1c;
    --btn-danger-active: #991b1b;

    --btn-warning: #d97706;
    --btn-warning-hover: #b45309;
    --btn-warning-active: #92400e;

    --btn-info: #0891b2;
    --btn-info-hover: #0e7490;
    --btn-info-active: #155e75;

    --btn-light: #f8fafc;
    --btn-light-hover: #f1f5f9;
    --btn-light-active: #e2e8f0;

    --btn-dark: #0f172a;
    --btn-dark-hover: #1e293b;
    --btn-dark-active: #334155;

    --btn-border: #cbd5e1;
    --btn-text: #ffffff;
    --btn-dark-text: #0f172a;

    --btn-radius: 8px;
    --btn-radius-sm: 6px;
    --btn-radius-lg: 12px;
    --btn-radius-pill: 999px;

    --btn-height-sm: 34px;
    --btn-height-md: 42px;
    --btn-height-lg: 50px;

    --btn-padding-sm: 0 12px;
    --btn-padding-md: 0 18px;
    --btn-padding-lg: 0 24px;

    --btn-font-size-sm: 13px;
    --btn-font-size-md: 14px;
    --btn-font-size-lg: 16px;

    --btn-transition: 0.2s ease;
    --btn-focus-ring: rgba(37, 99, 235, 0.25);
}


/* ---------------------------------------------------------
   2. BASE BUTTON
   --------------------------------------------------------- */

button,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;

    min-height: var(--btn-height-md);
    padding: var(--btn-padding-md);

    border: 1px solid transparent;
    border-radius: var(--btn-radius);

    font-family: inherit;
    font-size: var(--btn-font-size-md);
    font-weight: 600;
    line-height: 1;
    text-align: center;
    text-decoration: none;

    cursor: pointer;
    user-select: none;
    white-space: nowrap;

    transition:
        background-color var(--btn-transition),
        border-color var(--btn-transition),
        color var(--btn-transition),
        box-shadow var(--btn-transition),
        transform var(--btn-transition);

    -webkit-tap-highlight-color: transparent;
}


/* ---------------------------------------------------------
   3. BUTTON HOVER / ACTIVE
   --------------------------------------------------------- */

button:hover,
.btn:hover {
    text-decoration: none;
}

button:active,
.btn:active {
    transform: translateY(1px);
}

button:focus-visible,
.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px var(--btn-focus-ring);
}


/* ---------------------------------------------------------
   4. PRIMARY
   --------------------------------------------------------- */

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

.btn-primary:hover {
    background: var(--btn-primary-hover);
    border-color: var(--btn-primary-hover);
    color: var(--btn-text);
}

.btn-primary:active {
    background: var(--btn-primary-active);
    border-color: var(--btn-primary-active);
}


/* ---------------------------------------------------------
   5. SECONDARY
   --------------------------------------------------------- */

.btn-secondary {
    background: var(--btn-secondary);
    border-color: var(--btn-secondary);
    color: var(--btn-text);
}

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

.btn-secondary:active {
    background: var(--btn-secondary-active);
    border-color: var(--btn-secondary-active);
}


/* ---------------------------------------------------------
   6. SUCCESS
   --------------------------------------------------------- */

.btn-success {
    background: var(--btn-success);
    border-color: var(--btn-success);
    color: var(--btn-text);
}

.btn-success:hover {
    background: var(--btn-success-hover);
    border-color: var(--btn-success-hover);
}

.btn-success:active {
    background: var(--btn-success-active);
    border-color: var(--btn-success-active);
}


/* ---------------------------------------------------------
   7. DANGER
   --------------------------------------------------------- */

.btn-danger {
    background: var(--btn-danger);
    border-color: var(--btn-danger);
    color: var(--btn-text);
}

.btn-danger:hover {
    background: var(--btn-danger-hover);
    border-color: var(--btn-danger-hover);
}

.btn-danger:active {
    background: var(--btn-danger-active);
    border-color: var(--btn-danger-active);
}


/* ---------------------------------------------------------
   8. WARNING
   --------------------------------------------------------- */

.btn-warning {
    background: var(--btn-warning);
    border-color: var(--btn-warning);
    color: var(--btn-text);
}

.btn-warning:hover {
    background: var(--btn-warning-hover);
    border-color: var(--btn-warning-hover);
}

.btn-warning:active {
    background: var(--btn-warning-active);
    border-color: var(--btn-warning-active);
}


/* ---------------------------------------------------------
   9. INFO
   --------------------------------------------------------- */

.btn-info {
    background: var(--btn-info);
    border-color: var(--btn-info);
    color: var(--btn-text);
}

.btn-info:hover {
    background: var(--btn-info-hover);
    border-color: var(--btn-info-hover);
}

.btn-info:active {
    background: var(--btn-info-active);
    border-color: var(--btn-info-active);
}


/* ---------------------------------------------------------
   10. LIGHT
   --------------------------------------------------------- */

.btn-light {
    background: var(--btn-light);
    border-color: var(--btn-border);
    color: var(--btn-dark-text);
}

.btn-light:hover {
    background: var(--btn-light-hover);
    border-color: #94a3b8;
}

.btn-light:active {
    background: var(--btn-light-active);
}


/* ---------------------------------------------------------
   11. DARK
   --------------------------------------------------------- */

.btn-dark {
    background: var(--btn-dark);
    border-color: var(--btn-dark);
    color: var(--btn-text);
}

.btn-dark:hover {
    background: var(--btn-dark-hover);
    border-color: var(--btn-dark-hover);
}

.btn-dark:active {
    background: var(--btn-dark-active);
    border-color: var(--btn-dark-active);
}


/* ---------------------------------------------------------
   12. OUTLINE BUTTONS
   --------------------------------------------------------- */

.btn-outline {
    background: transparent;
    border-color: var(--btn-border);
    color: var(--btn-dark-text);
}

.btn-outline:hover {
    background: var(--btn-light);
    border-color: #94a3b8;
}

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

.btn-outline-primary:hover {
    background: var(--btn-primary);
    color: #ffffff;
}

.btn-outline-success {
    background: transparent;
    border-color: var(--btn-success);
    color: var(--btn-success);
}

.btn-outline-success:hover {
    background: var(--btn-success);
    color: #ffffff;
}

.btn-outline-danger {
    background: transparent;
    border-color: var(--btn-danger);
    color: var(--btn-danger);
}

.btn-outline-danger:hover {
    background: var(--btn-danger);
    color: #ffffff;
}

.btn-outline-warning {
    background: transparent;
    border-color: var(--btn-warning);
    color: var(--btn-warning);
}

.btn-outline-warning:hover {
    background: var(--btn-warning);
    color: #ffffff;
}


/* ---------------------------------------------------------
   13. GHOST BUTTON
   --------------------------------------------------------- */

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

.btn-ghost:hover {
    background: var(--btn-light);
}

.btn-ghost:active {
    background: var(--btn-light-active);
}


/* ---------------------------------------------------------
   14. LINK BUTTON
   --------------------------------------------------------- */

.btn-link {
    min-height: auto;
    padding: 0;

    background: transparent;
    border: 0;

    color: var(--btn-primary);
}

.btn-link:hover {
    color: var(--btn-primary-hover);
    text-decoration: underline;
}

.btn-link:active {
    transform: none;
}


/* ---------------------------------------------------------
   15. BUTTON SIZES
   --------------------------------------------------------- */

.btn-sm {
    min-height: var(--btn-height-sm);
    padding: var(--btn-padding-sm);
    border-radius: var(--btn-radius-sm);
    font-size: var(--btn-font-size-sm);
}

.btn-md {
    min-height: var(--btn-height-md);
    padding: var(--btn-padding-md);
    font-size: var(--btn-font-size-md);
}

.btn-lg {
    min-height: var(--btn-height-lg);
    padding: var(--btn-padding-lg);
    border-radius: var(--btn-radius-lg);
    font-size: var(--btn-font-size-lg);
}


/* ---------------------------------------------------------
   16. FULL WIDTH
   --------------------------------------------------------- */

.btn-block {
    width: 100%;
}


/* ---------------------------------------------------------
   17. ICON BUTTON
   --------------------------------------------------------- */

.btn-icon {
    width: 42px;
    height: 42px;
    min-height: 42px;

    padding: 0;

    border-radius: var(--btn-radius);
}

.btn-icon.btn-sm {
    width: 34px;
    height: 34px;
    min-height: 34px;
}

.btn-icon.btn-lg {
    width: 50px;
    height: 50px;
    min-height: 50px;
}


/* ---------------------------------------------------------
   18. ROUND / CIRCLE BUTTON
   --------------------------------------------------------- */

.btn-circle {
    width: 42px;
    height: 42px;
    min-height: 42px;

    padding: 0;

    border-radius: 50%;
}

.btn-circle.btn-sm {
    width: 34px;
    height: 34px;
    min-height: 34px;
}

.btn-circle.btn-lg {
    width: 50px;
    height: 50px;
    min-height: 50px;
}


/* ---------------------------------------------------------
   19. PILL BUTTON
   --------------------------------------------------------- */

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


/* ---------------------------------------------------------
   20. BUTTON GROUP
   --------------------------------------------------------- */

.btn-group {
    display: inline-flex;
    align-items: center;
}

.btn-group > .btn {
    border-radius: 0;
}

.btn-group > .btn:first-child {
    border-radius: var(--btn-radius) 0 0 var(--btn-radius);
}

.btn-group > .btn:last-child {
    border-radius: 0 var(--btn-radius) var(--btn-radius) 0;
}

.btn-group > .btn + .btn {
    margin-left: -1px;
}


/* ---------------------------------------------------------
   21. LOADING BUTTON
   --------------------------------------------------------- */

.btn.is-loading,
.btn.loading {
    position: relative;
    pointer-events: none;
    color: transparent !important;
}

.btn.is-loading::after,
.btn.loading::after {
    content: "";

    width: 16px;
    height: 16px;

    position: absolute;
    top: 50%;
    left: 50%;

    margin-top: -8px;
    margin-left: -8px;

    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: #ffffff;

    border-radius: 50%;

    animation: btn-spin 0.7s linear infinite;
}

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


/* ---------------------------------------------------------
   22. DISABLED
   --------------------------------------------------------- */

button:disabled,
.btn:disabled,
.btn.disabled {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
    transform: none;
}


/* ---------------------------------------------------------
   23. BUTTON ICON
   --------------------------------------------------------- */

.btn svg,
.btn img,
.btn .icon {
    width: 18px;
    height: 18px;

    flex: 0 0 auto;
}

.btn-sm svg,
.btn-sm img,
.btn-sm .icon {
    width: 15px;
    height: 15px;
}

.btn-lg svg,
.btn-lg img,
.btn-lg .icon {
    width: 20px;
    height: 20px;
}


/* ---------------------------------------------------------
   24. BUTTON WITH TEXT + ICON
   --------------------------------------------------------- */

.btn-icon-left {
    flex-direction: row;
}

.btn-icon-right {
    flex-direction: row-reverse;
}


/* ---------------------------------------------------------
   25. FLOATING ACTION BUTTON
   --------------------------------------------------------- */

.btn-fab {
    position: fixed;

    right: 20px;
    bottom: 20px;

    width: 56px;
    height: 56px;
    min-height: 56px;

    padding: 0;

    border-radius: 50%;

    z-index: 1000;

    box-shadow:
        0 8px 24px rgba(15, 23, 42, 0.18);
}


/* ---------------------------------------------------------
   26. MOBILE ACTION BUTTON
   --------------------------------------------------------- */

.btn-mobile-action {
    width: 100%;
    min-height: 48px;
}


/* ---------------------------------------------------------
   27. DELETE / REMOVE BUTTON
   --------------------------------------------------------- */

.btn-delete {
    background: transparent;
    border-color: transparent;
    color: var(--btn-danger);
}

.btn-delete:hover {
    background: rgba(220, 38, 38, 0.08);
}


/* ---------------------------------------------------------
   28. FAVORITE BUTTON
   --------------------------------------------------------- */

.btn-favorite {
    background: #ffffff;
    border-color: var(--btn-border);
    color: #64748b;
}

.btn-favorite:hover {
    color: var(--btn-danger);
    border-color: #fecaca;
}

.btn-favorite.is-active,
.btn-favorite.active {
    color: var(--btn-danger);
    background: #fef2f2;
    border-color: #fecaca;
}


/* ---------------------------------------------------------
   29. RESPONSIVE
   --------------------------------------------------------- */

@media (max-width: 768px) {

    .btn {
        min-height: 44px;
    }

    .btn-sm {
        min-height: 36px;
    }

    .btn-lg {
        min-height: 48px;
    }

    .btn-fab {
        right: 16px;
        bottom: 16px;

        width: 52px;
        height: 52px;
        min-height: 52px;
    }

    .btn-mobile-full {
        width: 100%;
    }

    .btn-group {
        width: 100%;
    }

    .btn-group > .btn {
        flex: 1;
    }
}


/* ---------------------------------------------------------
   30. REDUCED MOTION
   --------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {

    button,
    .btn {
        transition: none;
    }

    .btn.is-loading::after,
    .btn.loading::after {
        animation: none;
    }
}


/* ---------------------------------------------------------
   31. PRINT
   --------------------------------------------------------- */

@media print {

    .btn,
    button {
        box-shadow: none !important;
    }
}