/**
 * Button Component
 *
 * Clean, reusable button styles.
 * Uses CSS variables from colors-variables.css for theming.
 *
 * Classes:
 * - .btn              : Base button
 * - .btn--primary     : Primary action button
 * - .btn--secondary   : Secondary action button
 * - .btn--success     : Success/confirm button
 * - .btn--danger      : Danger/delete button
 * - .btn--outline     : Outlined variant
 * - .btn--lg          : Large size
 * - .btn--sm          : Small size
 * - .btn--block       : Full width
 */

/* ========================================
   Base Button
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-family, "Poppins", sans-serif), sans-serif;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 2px solid transparent;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

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

.btn:disabled,
.btn.is-disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn i {
    font-size: 1.1em;
}

/* ========================================
   Primary Button
   ======================================== */

.btn--primary {
    background-color: var(--primary-color, #213a86);
    border-color: var(--primary-color, #213a86);
    color: #ffffff;
}

.btn--primary:hover {
    background-color: var(--primary-comliment-color, #0073ff);
    border-color: var(--primary-comliment-color, #0073ff);
    color: #ffffff;
}

/* ========================================
   Secondary Button
   ======================================== */

.btn--secondary {
    background-color: var(--secondary-color, #6c757d);
    border-color: var(--secondary-color, #6c757d);
    color: #ffffff;
}

.btn--secondary:hover {
    background-color: var(--secondary-hover-color, #545b62);
    border-color: var(--secondary-hover-color, #545b62);
    color: #ffffff;
}

/* ========================================
   Success Button
   ======================================== */

.btn--success {
    background-color: var(--success-button-color, #4da422);
    border-color: var(--success-button-color, #4da422);
    color: #ffffff;
}

.btn--success:hover {
    background-color: var(--success-button-compliment-color, #69e02e);
    border-color: var(--success-button-compliment-color, #69e02e);
    color: #ffffff;
}

/* ========================================
   Danger Button
   ======================================== */

.btn--danger {
    background-color: var(--danger-button-color, #fc3832);
    border-color: var(--danger-button-color, #fc3832);
    color: #ffffff;
}

.btn--danger:hover {
    background-color: var(--danger-button-compliment-color, #dc312b);
    border-color: var(--danger-button-compliment-color, #dc312b);
    color: #ffffff;
}

/* ========================================
   Warning Button
   ======================================== */

.btn--warning {
    background-color: var(--warning-button-color, #ffb400);
    border-color: var(--warning-button-color, #ffb400);
    color: #1a1a1a;
}

.btn--warning:hover {
    background-color: var(--warning-button-compliment-color, #f7e500);
    border-color: var(--warning-button-compliment-color, #f7e500);
    color: #1a1a1a;
}

/* ========================================
   Info Button
   ======================================== */

.btn--info {
    background-color: var(--info-button-color, #00b8d8);
    border-color: var(--info-button-color, #00b8d8);
    color: #ffffff;
}

.btn--info:hover {
    background-color: var(--info-button-compliment-color, #32fbfc);
    border-color: var(--info-button-compliment-color, #32fbfc);
    color: #1a1a1a;
}

/* ========================================
   Outline Variants
   ======================================== */

.btn--outline {
    background-color: transparent;
}

.btn--outline.btn--primary {
    color: var(--primary-color, #213a86);
}

.btn--outline.btn--primary:hover {
    background-color: var(--primary-color, #213a86);
    color: #ffffff;
}

.btn--outline.btn--secondary {
    color: var(--secondary-color, #6c757d);
}

.btn--outline.btn--secondary:hover {
    background-color: var(--secondary-color, #6c757d);
    color: #ffffff;
}

.btn--outline.btn--success {
    color: var(--success-button-color, #4da422);
}

.btn--outline.btn--success:hover {
    background-color: var(--success-button-color, #4da422);
    color: #ffffff;
}

.btn--outline.btn--danger {
    color: var(--danger-button-color, #fc3832);
}

.btn--outline.btn--danger:hover {
    background-color: var(--danger-button-color, #fc3832);
    color: #ffffff;
}

/* ========================================
   Size Variants
   ======================================== */

.btn--lg {
    padding: 16px 32px;
    font-size: 18px;
    border-radius: 10px;
}

.btn--sm {
    padding: 8px 16px;
    font-size: 14px;
    border-radius: 6px;
}

.btn--xs {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 4px;
}

/* ========================================
   Block Button (Full Width)
   ======================================== */

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

/* ========================================
   Rounded Pill Button
   ======================================== */

.btn--pill {
    border-radius: 50px;
}

/* ========================================
   Icon-Only Button
   ======================================== */

.btn--icon {
    padding: 12px;
    border-radius: 50%;
}

.btn--icon.btn--sm {
    padding: 8px;
}

.btn--icon.btn--lg {
    padding: 16px;
}

/* ========================================
   Button Group
   ======================================== */

.btn-group {
    display: inline-flex;
    gap: 0;
}

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

.btn-group .btn:first-child {
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
}

.btn-group .btn:last-child {
    border-top-right-radius: 8px;
    border-bottom-right-radius: 8px;
}

/* ========================================
   Loading State
   ======================================== */

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

.btn.is-loading::after {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
}

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

/* ========================================
   Bootstrap-Style Aliases
   ======================================== */

/* Color variants */
.btn-primary {
    background-color: var(--primary-color, #213a86);
    border-color: var(--primary-color, #213a86);
    color: #fff;
}
.btn-primary:hover {
    background-color: var(--primary-hover-color, #0073ff);
    border-color: var(--primary-hover-color, #0073ff);
    color: #fff;
}

.btn-secondary {
    background-color: var(--secondary-color, #6c757d);
    border-color: var(--secondary-color, #6c757d);
    color: #fff;
}
.btn-secondary:hover {
    background-color: var(--secondary-hover-color, #545b62);
    border-color: var(--secondary-hover-color, #545b62);
    color: #fff;
}

.btn-success {
    background-color: var(--success-button-color, #4da422);
    border-color: var(--success-button-color, #4da422);
    color: #fff;
}
.btn-success:hover {
    background-color: var(--success-button-compliment-color, #69e02e);
    border-color: var(--success-button-compliment-color, #69e02e);
    color: #fff;
}

.btn-danger {
    background-color: var(--danger-button-color, #fc3832);
    border-color: var(--danger-button-color, #fc3832);
    color: #fff;
}
.btn-danger:hover {
    background-color: var(--danger-button-compliment-color, #dc312b);
    border-color: var(--danger-button-compliment-color, #dc312b);
    color: #fff;
}

.btn-warning {
    background-color: var(--warning-button-color, #ffb400);
    border-color: var(--warning-button-color, #ffb400);
    color: #1a1a1a;
}
.btn-warning:hover {
    background-color: var(--warning-button-compliment-color, #f7e500);
    border-color: var(--warning-button-compliment-color, #f7e500);
    color: #1a1a1a;
}

.btn-info {
    background-color: var(--info-button-color, #00b8d8);
    border-color: var(--info-button-color, #00b8d8);
    color: #fff;
}
.btn-info:hover {
    background-color: var(--info-button-compliment-color, #32fbfc);
    border-color: var(--info-button-compliment-color, #32fbfc);
    color: #1a1a1a;
}

/* Outline variants */
.btn-outline-primary {
    background-color: transparent;
    border: 2px solid var(--primary-color, #213a86);
    color: var(--primary-color, #213a86);
}
.btn-outline-primary:hover {
    background-color: var(--primary-color, #213a86);
    color: #fff;
}

.btn-outline-secondary {
    background-color: transparent;
    border: 2px solid var(--secondary-color, #6c757d);
    color: var(--secondary-color, #6c757d);
}
.btn-outline-secondary:hover {
    background-color: var(--secondary-color, #6c757d);
    color: #fff;
}

.btn-outline-success {
    background-color: transparent;
    border: 2px solid var(--success-button-color, #4da422);
    color: var(--success-button-color, #4da422);
}
.btn-outline-success:hover {
    background-color: var(--success-button-color, #4da422);
    color: #fff;
}

.btn-outline-danger {
    background-color: transparent;
    border: 2px solid var(--danger-button-color, #fc3832);
    color: var(--danger-button-color, #fc3832);
}
.btn-outline-danger:hover {
    background-color: var(--danger-button-color, #fc3832);
    color: #fff;
}

/* Size variants */
.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
    border-radius: 10px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
    border-radius: 6px;
}

.btn-xs {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 4px;
}

/* Block button */
.btn-block {
    display: flex;
    width: 100%;
}