/**
 * Register Page - Standalone Styles
 * iamTOPUP Registration System
 * 
 * @version 4.0 - Standalone (ไม่ต้องใช้ login.css)
 * @theme Warm Sunrise
 */

/* ============================================
   CSS VARIABLES - WARM SUNRISE
   ============================================ */
:root {
    --color-primary: #f97316;
    --color-primary-light: #fb923c;
    --color-primary-dark: #ea580c;
    --color-primary-50: #fff7ed;
    --color-primary-100: #ffedd5;
    --color-primary-200: #fed7aa;
    
    --color-bg: #fef7ed;
    --color-bg-gradient: linear-gradient(135deg, #fef7ed 0%, #fff7ed 50%, #fef3e2 100%);
    
    --color-card: #ffffff;
    --color-card-border: rgba(249, 115, 22, 0.1);
    
    --color-text: #78350f;
    --color-text-light: #92400e;
    --color-text-muted: #a16207;
    --color-text-placeholder: #d97706;
    
    --color-success: #16a34a;
    --color-success-bg: #dcfce7;
    --color-error: #dc2626;
    --color-error-bg: #fef2f2;
    --color-warning: #f59e0b;
    --color-warning-bg: #fffbeb;
    
    --shadow-sm: 0 1px 2px rgba(120, 53, 15, 0.05);
    --shadow-md: 0 4px 12px rgba(249, 115, 22, 0.1);
    --shadow-lg: 0 8px 30px rgba(249, 115, 22, 0.15);
    --shadow-glow: 0 0 20px rgba(249, 115, 22, 0.2);
    
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    --font-sans: 'Prompt', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg-gradient);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* ============================================
   BACKGROUND - Simple dots only (no signal waves)
   ============================================ */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(249, 115, 22, 0.06) 2px, transparent 2px),
        radial-gradient(circle at 90% 80%, rgba(249, 115, 22, 0.06) 2px, transparent 2px),
        radial-gradient(circle at 50% 50%, rgba(249, 115, 22, 0.04) 2px, transparent 2px);
    background-size: 100px 100px, 120px 120px, 80px 80px;
}

/* ============================================
   CONTAINER
   ============================================ */
.login-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    min-height: calc(100vh - 80px);
    position: relative;
    z-index: 1;
}

/* ============================================
   CARD
   ============================================ */
.login-card,
.register-card {
    width: 100%;
    max-width: 480px;
    background: var(--color-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--color-card-border);
}

.card-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
    0%, 100% { transform: translateX(-100%) rotate(45deg); }
    50% { transform: translateX(100%) rotate(45deg); }
}

.card-header-logo {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    padding: var(--space-sm);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
}

.brand-logo {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.card-header h1 {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    position: relative;
}

.card-header p {
    color: rgba(255,255,255,0.9);
    font-size: 0.9rem;
    position: relative;
}

.card-body {
    padding: var(--space-xl) var(--space-lg);
}

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.form-label .required {
    color: var(--color-error);
    margin-left: 2px;
}

/* ============================================
   INPUT WRAPPER & ICONS - FIXED SIZE!
   ============================================ */
.input-wrapper {
    position: relative;
}

/* ⭐ CRITICAL FIX: กำหนดขนาด icon อย่างชัดเจน */
.input-icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    width: 20px !important;
    height: 20px !important;
    min-width: 20px;
    max-width: 20px;
    min-height: 20px;
    max-height: 20px;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: color var(--transition-fast);
    flex-shrink: 0;
}

.input-icon svg {
    width: 20px !important;
    height: 20px !important;
}

.form-input {
    width: 100%;
    padding: var(--space-md) var(--space-md) var(--space-md) 48px;
    font-size: 1rem;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-primary-50);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--transition-fast);
}

.form-input::placeholder {
    color: var(--color-text-placeholder);
    opacity: 0.6;
}

.form-input:hover {
    background: var(--color-primary-100);
}

.form-input:focus {
    background: white;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(249,115,22,0.1);
}

.form-input:focus ~ .input-icon {
    color: var(--color-primary);
}

.form-input.error {
    border-color: var(--color-error);
    background: var(--color-error-bg);
}

.form-input.success {
    border-color: var(--color-success);
    background: var(--color-success-bg);
}

/* ============================================
   INPUT ERROR & HINTS
   ============================================ */
.input-error {
    display: block;
    font-size: 0.75rem;
    color: var(--color-error);
    margin-top: var(--space-xs);
    min-height: 18px;
}

.input-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

.input-success {
    display: block;
    font-size: 0.75rem;
    color: var(--color-success);
    margin-top: var(--space-xs);
    min-height: 18px;
}

/* ============================================
   PASSWORD TOGGLE
   ============================================ */
.password-toggle {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.password-toggle:hover {
    color: var(--color-primary);
    background: var(--color-primary-50);
}

.password-toggle svg {
    width: 20px !important;
    height: 20px !important;
}

.password-toggle .hidden {
    display: none;
}

/* ============================================
   FORM ROW - TWO COLUMNS
   ============================================ */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.form-row .form-group {
    margin-bottom: 0;
}

/* ============================================
   INFO NOTICE
   ============================================ */
.info-notice {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-warning-bg);
    border: 1px solid var(--color-warning);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: 0.8rem;
    color: var(--color-text);
    line-height: 1.5;
}

.info-notice svg {
    flex-shrink: 0;
    width: 18px !important;
    height: 18px !important;
    min-width: 18px;
    color: var(--color-warning);
}

/* ============================================
   USERNAME LOADER
   ============================================ */
.input-loader {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    display: none;
}

.input-loader.show {
    display: block;
}

.input-loader .spinner {
    width: 20px !important;
    height: 20px !important;
    color: var(--color-primary);
}

/* ============================================
   PASSWORD STRENGTH
   ============================================ */
.password-strength {
    margin-top: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.strength-bar {
    height: 4px;
    background: var(--color-primary-100);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-xs);
}

.strength-fill {
    height: 100%;
    width: 0;
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

.strength-fill.very-weak { width: 20%; background: #dc2626; }
.strength-fill.weak { width: 40%; background: #f97316; }
.strength-fill.medium { width: 60%; background: #eab308; }
.strength-fill.strong { width: 80%; background: #22c55e; }
.strength-fill.very-strong { width: 100%; background: #16a34a; }

.strength-text {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.strength-text.very-weak { color: #dc2626; }
.strength-text.weak { color: #f97316; }
.strength-text.medium { color: #eab308; }
.strength-text.strong { color: #22c55e; }
.strength-text.very-strong { color: #16a34a; }

/* ============================================
   PASSWORD REQUIREMENTS
   ============================================ */
.password-requirements {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xs) var(--space-md);
    margin-top: var(--space-sm);
}

.requirement {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.requirement.met {
    color: var(--color-success);
}

.req-icon {
    width: 14px !important;
    height: 14px !important;
    min-width: 14px;
    flex-shrink: 0;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

.requirement.met .req-icon {
    fill: var(--color-success);
    stroke: white;
}

/* ============================================
   CHECKBOX
   ============================================ */
.checkbox-group {
    margin-bottom: var(--space-lg);
}

.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
}

.checkbox-wrapper input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    min-width: 20px;
    border: 2px solid var(--color-primary-200);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    background: white;
    margin-top: 2px;
}

.checkbox-wrapper input:checked + .checkbox-custom {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-custom svg {
    width: 12px !important;
    height: 12px !important;
    color: white;
    opacity: 0;
    transform: scale(0.5);
    transition: all var(--transition-fast);
}

.checkbox-wrapper input:checked + .checkbox-custom svg {
    opacity: 1;
    transform: scale(1);
}

.checkbox-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.4;
}

.checkbox-label .link {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ============================================
   RECAPTCHA INFO
   ============================================ */
.recaptcha-info {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-primary-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: 0.7rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.recaptcha-info svg {
    flex-shrink: 0;
    width: 16px !important;
    height: 16px !important;
    min-width: 16px;
    color: var(--color-primary);
    margin-top: 1px;
}

.recaptcha-info a {
    color: var(--color-primary);
    text-decoration: none;
}

.recaptcha-info a:hover {
    text-decoration: underline;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-sans);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn svg {
    width: 20px !important;
    height: 20px !important;
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary.loading {
    pointer-events: none;
}

/* Button Spinner - Hidden by default */
.btn-spinner {
    display: none !important;
}

.btn.loading .btn-spinner {
    display: inline-block !important;
}

.btn.loading .btn-text {
    display: none;
}

.btn-secondary {
    background: var(--color-primary-50);
    color: var(--color-primary);
    border: 2px solid var(--color-primary-200);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-primary-100);
    border-color: var(--color-primary);
}

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

.btn-ghost:hover {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

/* ============================================
   CARD FOOTER
   ============================================ */
.card-footer {
    padding: 0 var(--space-lg) var(--space-xl);
    text-align: center;
}

.card-footer-link {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.register-link {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-primary-100);
}

.register-link span {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ============================================
   MODALS
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(120, 53, 15, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background: var(--color-card);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 420px;
    max-height: calc(100vh - 32px);
    box-shadow: var(--shadow-lg);
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    margin: auto;
}

.modal.active .modal-card {
    transform: scale(1) translateY(0);
}

.modal-large {
    max-width: 600px;
}

.modal-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    padding: var(--space-lg);
    text-align: center;
    color: white;
    flex-shrink: 0;
}

.modal-header-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.modal-header-icon svg {
    width: 28px !important;
    height: 28px !important;
    color: white;
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.modal-header p {
    font-size: 0.875rem;
    opacity: 0.9;
}

.modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.modal-scrollable {
    max-height: 50vh;
    overflow-y: auto;
}

.modal-footer {
    padding: var(--space-md) var(--space-lg) var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    flex-shrink: 0;
    background: var(--color-card);
    border-top: 1px solid var(--color-primary-100);
}

/* Error Modal Header */
.error-header {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

.error-icon {
    background: rgba(255, 255, 255, 0.2);
}

/* Success Modal */
.success-modal .modal-header {
    background: linear-gradient(135deg, var(--color-success) 0%, #15803d 100%);
}

.success-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    animation: successPulse 2s ease infinite;
}

@keyframes successPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.success-icon svg {
    width: 40px !important;
    height: 40px !important;
    color: white;
}

.success-content {
    text-align: center;
}

.success-countdown {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.countdown-circle {
    width: 80px;
    height: 80px;
    position: relative;
}

.countdown-circle svg {
    width: 80px;
    height: 80px;
    transform: rotate(-90deg);
}

.countdown-bg {
    fill: none;
    stroke: var(--color-primary-100);
    stroke-width: 4;
}

.countdown-progress {
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 4;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s linear;
}

.countdown-number {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
}

.countdown-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Terms Content */
.terms-content {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--color-text);
}

.terms-content .intro {
    margin-bottom: var(--space-lg);
    color: var(--color-text-light);
}

.terms-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin: var(--space-lg) 0 var(--space-sm);
}

.terms-content h3:first-of-type {
    margin-top: 0;
}

.terms-content ul {
    margin: 0;
    padding-left: var(--space-lg);
}

.terms-content li {
    margin-bottom: var(--space-xs);
}

.terms-content p {
    margin-bottom: var(--space-md);
}

/* ============================================
   LOADING OVERLAY
   ============================================ */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(254, 247, 237, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-primary-100);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-md);
}

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

.loading-text {
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 500;
}

/* ============================================
   NOTIFICATIONS / TOAST
   ============================================ */
.notification {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    z-index: 3000;
    transform: translateX(calc(100% + var(--space-lg)));
    transition: transform var(--transition-normal);
    max-width: 350px;
}

.notification.show {
    transform: translateX(0);
}

.notification svg {
    flex-shrink: 0;
    width: 20px !important;
    height: 20px !important;
}

.notification span {
    font-size: 0.875rem;
    color: var(--color-text);
}

.notification.success {
    border-left: 4px solid var(--color-success);
}

.notification.success svg {
    color: var(--color-success);
}

.notification.error {
    border-left: 4px solid var(--color-error);
}

.notification.error svg {
    color: var(--color-error);
}

.notification.warning {
    border-left: 4px solid var(--color-warning);
}

.notification.warning svg {
    color: var(--color-warning);
}

.notification.info {
    border-left: 4px solid var(--color-primary);
}

.notification.info svg {
    color: var(--color-primary);
}

/* ============================================
   FOOTER
   ============================================ */
.login-footer {
    background: white;
    border-top: 1px solid var(--color-primary-100);
    padding: var(--space-lg);
    text-align: center;
    position: relative;
    z-index: 1;
}

.footer-brand {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.footer-contact {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.footer-contact-item svg {
    width: 14px !important;
    height: 14px !important;
    color: var(--color-primary);
}

.footer-contact-item a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-contact-item a:hover {
    color: var(--color-primary);
}

.footer-copyright {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    opacity: 0.8;
}

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

/* Small Mobile */
@media (max-width: 360px) {
    .card-header-logo {
        width: 64px;
        height: 64px;
    }
    
    .info-notice {
        padding: var(--space-sm);
        font-size: 0.75rem;
    }
    
    .checkbox-label {
        font-size: 0.8rem;
    }
    
    .recaptcha-info {
        font-size: 0.65rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .login-container {
        padding: 0;
        align-items: stretch;
    }
    
    .login-card,
    .register-card {
        max-width: 100%;
        border-radius: 0;
        min-height: calc(100vh - 80px);
        display: flex;
        flex-direction: column;
    }
    
    .card-body {
        flex: 1;
    }
    
    .card-header-logo {
        width: 72px;
        height: 72px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .form-row .form-group {
        margin-bottom: var(--space-lg);
    }
    
    .password-requirements {
        grid-template-columns: 1fr;
    }
    
    /* Mobile Modal - Bottom sheet */
    .modal {
        padding: 0;
        align-items: flex-end;
    }
    
    .modal-card {
        max-width: 100%;
        max-height: 90vh;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        margin: 0;
    }
    
    .modal-large {
        max-width: 100%;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }
    
    .modal-scrollable {
        max-height: 60vh;
    }
    
    .notification {
        left: var(--space-md);
        right: var(--space-md);
        max-width: none;
        transform: translateY(-100%);
    }
    
    .notification.show {
        transform: translateY(0);
    }
    
    .footer-contact {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

/* Tablet */
@media (min-width: 481px) and (max-width: 768px) {
    .modal-card {
        max-width: 400px;
    }
}

/* Desktop */
@media (min-width: 769px) {
    .card-header-logo {
        width: 88px;
        height: 88px;
    }
}

/* Landscape Mobile */
@media (max-height: 600px) {
    .modal {
        align-items: flex-start;
        padding: var(--space-sm);
    }
    
    .modal-card {
        max-height: calc(100vh - 16px);
    }
    
    .card-header-logo {
        width: 56px;
        height: 56px;
    }
}

/* ============================================
   HONEYPOT FIELD - ซ่อนจาก User แต่ Bot เห็น
   ============================================ */
.hp-field {
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
    z-index: -1 !important;
}

/* ============================================
   UTILITIES
   ============================================ */
.hidden {
    display: none !important;
}

/* Safe area for notched devices */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .modal-footer {
        padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom));
    }
    
    .login-footer {
        padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom));
    }
}