/* Contact Management Kiosk - Tablet Optimized UI */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-success: #16a34a;
    --color-success-light: #dcfce7;
    --color-danger: #dc2626;
    --color-danger-light: #fee2e2;
    --color-warning: #d97706;
    --color-bg: #f0f4f8;
    --color-surface: #ffffff;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --radius: 16px;
    --radius-sm: 10px;
    --touch-min: 56px;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: 0.2s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 18px;
    -webkit-tap-highlight-color: transparent;
}

body.kiosk-body {
    font-family: var(--font);
    background: linear-gradient(145deg, #e8f0fe 0%, var(--color-bg) 40%, #f8fafc 100%);
    color: var(--color-text);
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.kiosk-app {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

/* Pages */
.page {
    flex: 1;
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1.5rem 3rem;
}

.page-home {
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 900px;
    padding: 2rem;
}

/* Home */
.home-header {
    text-align: center;
    margin-bottom: 3rem;
}

.logo-circle {
    width: 88px;
    height: 88px;
    margin: 0 auto 1.5rem;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-md);
}

.logo-circle svg {
    width: 44px;
    height: 44px;
}

.welcome-title {
    font-size: 2.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.welcome-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.welcome-hint {
    font-size: 1rem;
    color: var(--color-text-muted);
}

.home-actions {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: 1fr;
}

@media (min-width: 600px) {
    .home-actions {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
}

.action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 180px;
    padding: 2rem 1.5rem;
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    color: inherit;
    border: 2px solid transparent;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
}

.action-card:active {
    transform: scale(0.97);
}

.action-card:hover,
.action-card:focus-visible {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    outline: none;
}

.action-add:hover,
.action-add:focus-visible {
    border-color: var(--color-primary);
}

.action-modify:hover,
.action-modify:focus-visible {
    border-color: var(--color-warning);
}

.action-optout:hover,
.action-optout:focus-visible {
    border-color: var(--color-danger);
}

.action-icon {
    font-size: 2.5rem;
    font-weight: 300;
    line-height: 1;
    margin-bottom: 0.75rem;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.action-add .action-icon {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-size: 2.75rem;
    font-weight: 400;
}

.action-modify .action-icon {
    background: #fef3c7;
    color: var(--color-warning);
}

.action-optout .action-icon {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.action-label {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.action-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Form pages */
.back-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 1.5rem;
    min-height: var(--touch-min);
    font-size: 1rem;
}

.back-link:hover {
    text-decoration: underline;
}

.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.kiosk-form {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-input {
    width: 100%;
    min-height: var(--touch-min);
    padding: 0.75rem 1rem;
    font-size: 1.1rem;
    font-family: inherit;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #fafbfc;
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
    background: white;
}

.input-prefix-group {
    display: flex;
    align-items: stretch;
}

.input-prefix {
    display: flex;
    align-items: center;
    padding: 0 1rem;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-weight: 600;
    border: 2px solid var(--color-border);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-size: 1.1rem;
}

.input-prefix-group .form-input {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.4rem;
}

.form-error {
    color: var(--color-danger);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    background: var(--color-danger-light);
    border-radius: var(--radius-sm);
}

/* Radio cards */
.radio-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.radio-group-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 480px) {
    .radio-group-3 {
        grid-template-columns: 1fr;
    }
}

.radio-card {
    cursor: pointer;
}

.radio-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.radio-card-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-height: var(--touch-min);
    padding: 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #fafbfc;
    font-weight: 500;
    transition: all var(--transition);
    text-align: center;
}

.radio-icon {
    font-size: 1.5rem;
}

.radio-card input:checked + .radio-card-inner {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.radio-card input:focus-visible + .radio-card-inner {
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--touch-min);
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    -webkit-user-select: none;
    user-select: none;
}

.btn:active {
    transform: scale(0.98);
}

.btn-block {
    width: 100%;
}

.btn-lg {
    min-height: 64px;
    font-size: 1.2rem;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

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

.btn-secondary {
    background: #f1f5f9;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-danger {
    background: var(--color-danger);
    color: white;
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.3);
}

.btn-danger:hover {
    background: #b91c1c;
}

.btn-link {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 0.95rem;
    min-height: auto;
    padding: 0.5rem;
    box-shadow: none;
}

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

.form-actions-stack {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.confirm-box {
    background: var(--color-danger-light);
    border: 1px solid #fecaca;
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Modals */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal.is-open {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 2rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.25s ease;
    text-align: center;
}

.modal.is-open .modal-content {
    transform: scale(1) translateY(0);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.modal-subtitle {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.otp-input {
    text-align: center;
    font-size: 1.75rem;
    letter-spacing: 0.5em;
    font-weight: 600;
    padding-left: 0.5em;
}

.modal-success .success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: var(--color-success-light);
    color: var(--color-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
    animation: popIn 0.4s ease;
}

.redirect-hint {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: 1rem;
}

@keyframes popIn {
    0% { transform: scale(0); }
    60% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

/* Loading */
.loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(255, 255, 255, 0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.loading-overlay[hidden] {
    display: none;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Tablet landscape kiosk */
@media (min-width: 768px) and (orientation: landscape) {
    .page-home {
        flex-direction: row;
        align-items: center;
        gap: 3rem;
        max-width: 1100px;
    }

    .home-header {
        flex: 1;
        margin-bottom: 0;
        text-align: left;
    }

    .logo-circle {
        margin: 0 0 1.5rem;
    }

    .home-actions {
        flex: 1.2;
    }
}

/* Prevent text selection on kiosk */
.kiosk-body {
    -webkit-user-select: none;
    user-select: none;
}

.form-input,
.otp-input {
    -webkit-user-select: text;
    user-select: text;
}

/* Kulam select */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.25rem;
    padding-right: 3rem;
    cursor: pointer;
}

.form-label-sm {
    font-size: 0.85rem;
    margin-top: 0.75rem;
}

.kulam-other-wrap {
    margin-top: 0.75rem;
}

.kulam-other-wrap[hidden] {
    display: none;
}

/* Colorful date picker */
.date-picker-wrap {
    position: relative;
    border-radius: var(--radius-sm);
    padding: 3px;
    background: linear-gradient(135deg, #f97316, #ec4899, #8b5cf6, #3b82f6, #22c55e);
    background-size: 300% 300%;
    animation: dateGradient 6s ease infinite;
    box-shadow: 0 4px 18px rgba(139, 92, 246, 0.25);
}

@keyframes dateGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.date-picker-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    color: #8b5cf6;
    pointer-events: none;
    z-index: 1;
}

.date-picker-icon svg {
    width: 100%;
    height: 100%;
}

.date-picker-input {
    border: none !important;
    border-radius: calc(var(--radius-sm) - 2px) !important;
    padding-left: 3.25rem !important;
    background: linear-gradient(135deg, #fff7ed 0%, #fdf4ff 50%, #eff6ff 100%) !important;
    color: #6d28d9 !important;
    font-weight: 600 !important;
    accent-color: #8b5cf6;
    color-scheme: light;
    box-shadow: none !important;
}

.date-picker-input:focus {
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25) !important;
}

.date-picker-input::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.85;
    filter: hue-rotate(260deg) saturate(1.5);
    transform: scale(1.3);
}

/* Background music toggle */
.music-toggle {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    z-index: 900;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 2px solid rgba(37, 99, 235, 0.3);
    background: rgba(255, 255, 255, 0.92);
    color: var(--color-primary);
    font-size: 1.4rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition), background var(--transition);
}

.music-toggle:hover {
    transform: scale(1.05);
}

.music-toggle.is-playing {
    background: linear-gradient(135deg, #dbeafe, #ede9fe);
    border-color: #8b5cf6;
    animation: musicPulse 2s ease-in-out infinite;
}

.music-toggle.is-muted {
    opacity: 0.65;
    color: var(--color-text-muted);
}

@keyframes musicPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(139, 92, 246, 0.2); }
    50% { box-shadow: 0 4px 28px rgba(139, 92, 246, 0.45); }
}