/**
 * HappyPopup - Custom Popup/Dialog Component
 * Replaces SweetAlert2 with a lightweight, accessible, mobile-responsive popup system
 * Supports: alert, confirm, input, loading, toast modes
 */

/* ========== CSS Variables ========== */
:root {
    --hp-overlay-bg: rgba(0, 0, 0, 0.55);
    --hp-bg: #ffffff;
    --hp-border-radius: 16px;
    --hp-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    --hp-font-family: 'Sarabun', 'Prompt', sans-serif;
    --hp-font-heading: 'Prompt', 'Sarabun', sans-serif;
    --hp-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* State Colors */
    --hp-success: #10b981;
    --hp-success-light: #d1fae5;
    --hp-success-dark: #059669;
    --hp-error: #ef4444;
    --hp-error-light: #fee2e2;
    --hp-error-dark: #dc2626;
    --hp-warning: #f59e0b;
    --hp-warning-light: #fef3c7;
    --hp-warning-dark: #d97706;
    --hp-info: #3b82f6;
    --hp-info-light: #dbeafe;
    --hp-info-dark: #2563eb;
    --hp-question: #8b5cf6;
    --hp-question-light: #ede9fe;
    --hp-question-dark: #7c3aed;
    
    /* Button Colors */
    --hp-confirm-bg: #086337;
    --hp-confirm-hover: #064e2b;
    --hp-cancel-bg: #6b7280;
    --hp-cancel-hover: #4b5563;
    --hp-deny-bg: #ef4444;
    --hp-deny-hover: #dc2626;
}

/* ========== Overlay ========== */
.hp-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--hp-overlay-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10500;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--hp-transition), visibility var(--hp-transition);
    padding: 16px;
    box-sizing: border-box;
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}

.hp-overlay.hp-show {
    opacity: 1;
    visibility: visible;
}

/* ========== Modal Container ========== */
.hp-modal {
    background: var(--hp-bg);
    border-radius: var(--hp-border-radius);
    box-shadow: var(--hp-shadow);
    font-family: var(--hp-font-family);
    max-height: calc(100vh - 32px);
    overflow-y: auto;
    position: relative;
    transform: scale(0.7) translateY(20px);
    opacity: 0;
    transition: transform var(--hp-transition), opacity var(--hp-transition);
    padding: 32px 28px 24px;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
    -webkit-overflow-scrolling: touch;
}

.hp-overlay.hp-show .hp-modal {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* ========== Size Variants ========== */
.hp-modal.hp-small {
    max-width: 320px;
}

.hp-modal.hp-medium {
    max-width: 500px;
}

.hp-modal.hp-large {
    max-width: 800px;
}

/* Custom width override */
.hp-modal[style*="max-width"] {
    /* Allow inline style override */
}

/* ========== Icon ========== */
.hp-icon-container {
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
}

.hp-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    animation: hp-icon-pop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes hp-icon-pop {
    0% { transform: scale(0); opacity: 0; }
    60% { transform: scale(1.15); }
    100% { transform: scale(1); opacity: 1; }
}

/* Icon States */
.hp-icon.hp-icon-success {
    background: var(--hp-success-light);
    color: var(--hp-success);
}

.hp-icon.hp-icon-error {
    background: var(--hp-error-light);
    color: var(--hp-error);
}

.hp-icon.hp-icon-warning {
    background: var(--hp-warning-light);
    color: var(--hp-warning);
}

.hp-icon.hp-icon-info {
    background: var(--hp-info-light);
    color: var(--hp-info);
}

.hp-icon.hp-icon-question {
    background: var(--hp-question-light);
    color: var(--hp-question);
}

/* Animated SVG Icons */
.hp-icon svg {
    width: 40px;
    height: 40px;
}

/* Success checkmark animation */
.hp-icon-success .hp-checkmark {
    stroke-dasharray: 60;
    stroke-dashoffset: 60;
    animation: hp-checkmark-draw 0.5s 0.2s ease forwards;
}

@keyframes hp-checkmark-draw {
    to { stroke-dashoffset: 0; }
}

/* Error X animation */
.hp-icon-error .hp-x-mark {
    stroke-dasharray: 40;
    stroke-dashoffset: 40;
    animation: hp-x-draw 0.4s 0.2s ease forwards;
}

@keyframes hp-x-draw {
    to { stroke-dashoffset: 0; }
}

/* Warning/Info pulse */
.hp-icon-warning, .hp-icon-info {
    animation: hp-icon-pop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ========== Title ========== */
.hp-title {
    font-family: var(--hp-font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    color: #1f2937;
    margin: 0 0 8px;
    line-height: 1.4;
    word-break: break-word;
}

/* ========== Text / HTML Content ========== */
.hp-text {
    font-size: 0.95rem;
    color: #6b7280;
    margin: 0 0 20px;
    line-height: 1.6;
    word-break: break-word;
}

.hp-html-content {
    margin: 0 0 20px;
    text-align: left;
    word-break: break-word;
}

/* ========== Footer ========== */
.hp-footer {
    font-size: 0.8rem;
    color: #9ca3af;
    margin-top: 12px;
    border-top: 1px solid #f3f4f6;
    padding-top: 12px;
}

/* ========== Input ========== */
.hp-input-container {
    margin: 16px 0 20px;
}

.hp-input,
.hp-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-family: var(--hp-font-family);
    font-size: 0.95rem;
    color: #374151;
    background: #f9fafb;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
    -webkit-appearance: none;
}

.hp-input:focus,
.hp-textarea:focus {
    border-color: var(--hp-confirm-bg);
    box-shadow: 0 0 0 3px rgba(8, 99, 55, 0.15);
    background: #fff;
}

.hp-textarea {
    min-height: 100px;
    resize: vertical;
}

.hp-input.hp-input-error,
.hp-textarea.hp-input-error {
    border-color: var(--hp-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

/* ========== Validation Message ========== */
.hp-validation-message {
    display: none;
    color: var(--hp-error);
    font-size: 0.85rem;
    margin-top: 8px;
    padding: 8px 12px;
    background: var(--hp-error-light);
    border-radius: 6px;
    text-align: left;
    animation: hp-shake 0.3s ease;
}

.hp-validation-message.hp-show {
    display: block;
}

@keyframes hp-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    50% { transform: translateX(6px); }
    75% { transform: translateX(-4px); }
}

/* ========== Buttons ========== */
.hp-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 8px;
}

.hp-buttons.hp-reversed {
    flex-direction: row-reverse;
}

.hp-btn {
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    font-family: var(--hp-font-family);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 90px;
    min-height: 44px;
    line-height: 1.2;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    position: relative;
    overflow: hidden;
}

.hp-btn:active {
    transform: scale(0.97);
}

.hp-btn:focus-visible {
    outline: 3px solid rgba(8, 99, 55, 0.4);
    outline-offset: 2px;
}

/* Confirm Button */
.hp-btn-confirm {
    background: var(--hp-confirm-bg);
    color: #fff;
}

.hp-btn-confirm:hover {
    background: var(--hp-confirm-hover);
}

/* Cancel Button */
.hp-btn-cancel {
    background: var(--hp-cancel-bg);
    color: #fff;
}

.hp-btn-cancel:hover {
    background: var(--hp-cancel-hover);
}

/* Deny Button */
.hp-btn-deny {
    background: var(--hp-deny-bg);
    color: #fff;
}

.hp-btn-deny:hover {
    background: var(--hp-deny-hover);
}

/* Button Loading State */
.hp-btn-loading {
    pointer-events: none;
    opacity: 0.8;
}

.hp-btn-loading::after {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: hp-spin 0.6s linear infinite;
    margin-left: 8px;
}

/* ========== Loading Spinner ========== */
.hp-loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
}

.hp-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #e5e7eb;
    border-top-color: var(--hp-confirm-bg);
    border-radius: 50%;
    animation: hp-spin 0.7s linear infinite;
}

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

.hp-loading-text {
    font-size: 0.95rem;
    color: #6b7280;
}

/* ========== Timer Progress Bar ========== */
.hp-timer-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 4px;
    background: var(--hp-confirm-bg);
    border-radius: 0 0 var(--hp-border-radius) var(--hp-border-radius);
    transition: width linear;
    z-index: 1;
}

/* ========== Close Button ========== */
.hp-close-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    border: none;
    background: #f3f4f6;
    border-radius: 50%;
    font-size: 16px;
    color: #6b7280;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    z-index: 2;
    -webkit-tap-highlight-color: transparent;
}

.hp-close-btn:hover {
    background: #e5e7eb;
    color: #374151;
}

/* ========== Toast Mode ========== */
.hp-overlay.hp-toast-mode {
    background: transparent;
    pointer-events: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    padding: 0;
    align-items: flex-start;
    justify-content: flex-end;
}

.hp-overlay.hp-toast-mode .hp-modal {
    pointer-events: auto;
    max-width: 380px;
    min-width: 280px;
    padding: 16px 20px;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    text-align: left;
    margin: 16px;
    transform: translateX(120%);
}

.hp-overlay.hp-toast-mode.hp-show .hp-modal {
    transform: translateX(0);
}

.hp-overlay.hp-toast-mode .hp-icon-container {
    margin: 0;
}

.hp-overlay.hp-toast-mode .hp-icon {
    width: 36px;
    height: 36px;
    font-size: 18px;
    flex-shrink: 0;
}

.hp-overlay.hp-toast-mode .hp-icon svg {
    width: 20px;
    height: 20px;
}

.hp-overlay.hp-toast-mode .hp-title {
    font-size: 0.95rem;
    margin: 0;
}

.hp-overlay.hp-toast-mode .hp-text {
    font-size: 0.85rem;
    margin: 4px 0 0;
}

.hp-overlay.hp-toast-mode .hp-buttons {
    display: none;
}

.hp-overlay.hp-toast-mode .hp-timer-bar {
    border-radius: 0 0 10px 10px;
}

/* Toast positions */
.hp-overlay.hp-toast-top-end {
    align-items: flex-start;
    justify-content: flex-end;
}

.hp-overlay.hp-toast-top-start {
    align-items: flex-start;
    justify-content: flex-start;
}

.hp-overlay.hp-toast-top-start .hp-modal {
    transform: translateX(-120%);
}

.hp-overlay.hp-toast-top-start.hp-show .hp-modal {
    transform: translateX(0);
}

.hp-overlay.hp-toast-bottom-end {
    align-items: flex-end;
    justify-content: flex-end;
}

.hp-overlay.hp-toast-bottom-end .hp-modal {
    transform: translateX(120%) translateY(0);
}

.hp-overlay.hp-toast-bottom-end.hp-show .hp-modal {
    transform: translateX(0) translateY(0);
}

.hp-overlay.hp-toast-top-center,
.hp-overlay.hp-toast-top {
    align-items: flex-start;
    justify-content: center;
}

.hp-overlay.hp-toast-top-center .hp-modal,
.hp-overlay.hp-toast-top .hp-modal {
    transform: translateY(-120%);
}

.hp-overlay.hp-toast-top-center.hp-show .hp-modal,
.hp-overlay.hp-toast-top.hp-show .hp-modal {
    transform: translateY(0);
}

.hp-overlay.hp-toast-bottom-center,
.hp-overlay.hp-toast-bottom {
    align-items: flex-end;
    justify-content: center;
}

.hp-overlay.hp-toast-bottom-center .hp-modal,
.hp-overlay.hp-toast-bottom .hp-modal {
    transform: translateY(120%);
}

.hp-overlay.hp-toast-bottom-center.hp-show .hp-modal,
.hp-overlay.hp-toast-bottom.hp-show .hp-modal {
    transform: translateY(0);
}

/* ========== Mobile Responsive ========== */
@media (max-width: 767px) {
    .hp-overlay {
        padding: 12px;
    }
    
    .hp-modal {
        padding: 24px 20px 20px;
        border-radius: 14px;
        max-width: calc(100vw - 24px) !important;
    }
    
    .hp-modal.hp-large {
        max-width: calc(100vw - 24px) !important;
    }
    
    .hp-icon {
        width: 60px;
        height: 60px;
        font-size: 30px;
    }
    
    .hp-icon svg {
        width: 32px;
        height: 32px;
    }
    
    .hp-title {
        font-size: 1.15rem;
    }
    
    .hp-text {
        font-size: 0.9rem;
    }
    
    .hp-buttons {
        flex-direction: column;
        gap: 8px;
    }
    
    .hp-buttons.hp-reversed {
        flex-direction: column-reverse;
    }
    
    .hp-btn {
        width: 100%;
        min-height: 48px;
        font-size: 1rem;
        padding: 12px 20px;
    }
    
    .hp-input, .hp-textarea {
        font-size: 16px; /* Prevents iOS zoom */
    }
    
    /* Toast mobile */
    .hp-overlay.hp-toast-mode .hp-modal {
        max-width: calc(100vw - 32px);
        min-width: unset;
        margin: 12px 16px;
    }
}

@media (max-width: 400px) {
    .hp-modal {
        padding: 20px 16px 16px;
    }
    
    .hp-icon {
        width: 52px;
        height: 52px;
        font-size: 26px;
    }
    
    .hp-title {
        font-size: 1.05rem;
    }
}

/* ========== Accessibility ========== */
@media (prefers-reduced-motion: reduce) {
    .hp-modal,
    .hp-overlay,
    .hp-icon,
    .hp-btn,
    .hp-timer-bar {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* Focus trap visual indicator */
.hp-modal:focus {
    outline: none;
}

/* Screen reader only text */
.hp-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========== Custom Class Support ========== */
.hp-modal .btn-theme-primary {
    background: var(--hp-confirm-bg);
    color: #fff;
    border: none;
}

.hp-modal .btn-theme-primary:hover {
    background: var(--hp-confirm-hover);
}

/* ========== Z-index stacking ========== */
.hp-overlay + .hp-overlay {
    z-index: 10501;
}

.hp-overlay + .hp-overlay + .hp-overlay {
    z-index: 10502;
}