/* ============================================
   Labor Law Calculator - Ionic Dark Theme
   Optimized for Safari on iPhone
   ============================================ */

:root {
    /* Legacy CSS variables used by JS modules in inline styles */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #818cf8;
    --primary-soft: rgba(99, 102, 241, 0.15);

    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-sidebar: #0f172a;

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border: #334155;
    --border-hover: #475569;

    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;

    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    /* Ionic theme overrides for dark mode */
    --ion-background-color: #0b1121;
    --ion-background-color-rgb: 11, 17, 33;

    --ion-text-color: #f1f5f9;
    --ion-text-color-rgb: 241, 245, 249;

    --ion-color-primary: #6366f1;
    --ion-color-primary-rgb: 99, 102, 241;
    --ion-color-primary-contrast: #ffffff;
    --ion-color-primary-contrast-rgb: 255, 255, 255;
    --ion-color-primary-shade: #4f46e5;
    --ion-color-primary-tint: #818cf8;

    --ion-color-secondary: #8b5cf6;
    --ion-color-secondary-rgb: 139, 92, 246;
    --ion-color-secondary-contrast: #ffffff;
    --ion-color-secondary-contrast-rgb: 255, 255, 255;
    --ion-color-secondary-shade: #7c3aed;
    --ion-color-secondary-tint: #a78bfa;

    --ion-color-success: #10b981;
    --ion-color-success-rgb: 16, 185, 129;
    --ion-color-success-contrast: #ffffff;
    --ion-color-success-contrast-rgb: 255, 255, 255;
    --ion-color-success-shade: #059669;
    --ion-color-success-tint: #34d399;

    --ion-color-warning: #f59e0b;
    --ion-color-warning-rgb: 245, 158, 11;
    --ion-color-warning-contrast: #000000;
    --ion-color-warning-contrast-rgb: 0, 0, 0;
    --ion-color-warning-shade: #d97706;
    --ion-color-warning-tint: #fbbf24;

    --ion-color-danger: #ef4444;
    --ion-color-danger-rgb: 239, 68, 68;
    --ion-color-danger-contrast: #ffffff;
    --ion-color-danger-contrast-rgb: 255, 255, 255;
    --ion-color-danger-shade: #dc2626;
    --ion-color-danger-tint: #f87171;

    --ion-toolbar-background: #0f172a;
    --ion-toolbar-color: #f1f5f9;
    --ion-item-background: transparent;
    --ion-card-background: #1e293b;

    --ion-tab-bar-background: #0f172a;
    --ion-tab-bar-color: #94a3b8;
    --ion-tab-bar-color-selected: #6366f1;
}

/* ============ Base Styles ============ */

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--ion-background-color);
    color: var(--ion-text-color);
}

/* ============ Ionic Component Overrides ============ */

ion-app {
    --ion-safe-area-top: env(safe-area-inset-top);
    --ion-safe-area-bottom: env(safe-area-inset-bottom);
}

ion-content {
    --background: var(--ion-background-color);
}

ion-split-pane {
    --side-max-width: 280px;
    --side-min-width: 260px;
    --border: 1px solid var(--border);
}

/* ============ Menu Styles ============ */

.menu-toolbar {
    --background: var(--bg-dark);
    --border-color: var(--border);
}

.menu-title {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, #a5b4fc 0%, #6366f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.menu-content {
    --background: var(--bg-dark);
}

.menu-list {
    padding: 0.5rem;
    background: transparent;
}

.menu-item {
    --background: transparent;
    --background-hover: rgba(255, 255, 255, 0.03);
    --background-activated: rgba(99, 102, 241, 0.1);
    --color: var(--text-secondary);
    --min-height: 48px;
    --padding-start: 16px;
    --padding-end: 16px;
    --border-radius: var(--radius-md);
    margin-bottom: 4px;
    font-weight: 500;
    font-size: 0.95rem;
}

.menu-item.active {
    --background: var(--primary-soft);
    --color: var(--primary-light);
    font-weight: 600;
}

.menu-icon {
    font-size: 1.1rem;
    margin-right: 0.25rem;
}

/* ============ Main Header ============ */

ion-header ion-toolbar {
    --background: rgba(15, 23, 42, 0.85);
    --border-color: rgba(51, 65, 85, 0.5);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
}

ion-header[translucent] ion-toolbar {
    --background: rgba(15, 23, 42, 0.72);
}

#page-title {
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

#page-title-large {
    font-weight: 800;
    letter-spacing: -0.025em;
    --color: white;
}

ion-menu-button {
    --color: var(--primary-light);
}

/* ============ Content Container ============ */

.content-container {
    max-width: 720px;
    margin: 0 auto;
    padding: 1rem 1rem 2rem;
}

@media (min-width: 768px) {
    .content-container {
        padding: 2rem 2rem 3rem;
    }
}

/* ============ Tab Content Switching ============ */

.tab-content {
    display: none;
    animation: fadeSlideIn 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.tab-content.active {
    display: block;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============ Section Header ============ */

.section-header {
    text-align: center;
    margin-bottom: 1.25rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ============ Calculator Cards ============ */

ion-card.calc-card {
    --background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
    margin: 0 0 1.25rem 0;
}

ion-card.calc-card ion-card-content {
    padding: 1.5rem;
}

@media (min-width: 768px) {
    ion-card.calc-card ion-card-content {
        padding: 2rem;
    }
}

/* ============ Form Elements ============ */

.input-group {
    margin-bottom: 1.25rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.input-group input,
.input-group select,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 16px; /* Prevents Safari zoom on focus */
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    -webkit-appearance: none;
    appearance: none;
}

.input-group select,
.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8.825L1.175 4 2.238 2.938 6 6.7l3.763-3.763L10.825 4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.input-group input:focus,
.input-group select:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.input-group input::placeholder {
    color: var(--text-muted);
}

/* Date inputs Safari fix */
.input-group input[type="date"],
.input-group input[type="month"] {
    min-height: 44px;
    line-height: 1.5;
}

.input-group input[type="date"]::-webkit-date-and-time-value {
    text-align: left;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 480px) {
    .input-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

/* Input with unit (e.g. hours) */
.input-with-unit {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-with-unit input {
    flex: 1;
}

.input-with-unit .unit {
    color: var(--text-secondary);
    font-size: 0.875rem;
    white-space: nowrap;
}

/* Contract input with checkbox */
.contract-input-row {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.contract-input-row input[type="number"] {
    flex: 1;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    accent-color: var(--primary);
}

/* ============ Overtime Hours Section ============ */

.ot-hours-section {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

/* ============ Buttons ============ */

ion-button.calc-btn {
    --background: var(--primary);
    --background-hover: var(--primary-hover);
    --background-activated: var(--primary-hover);
    --border-radius: var(--radius-md);
    --box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
    margin-top: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.01em;
    --padding-top: 14px;
    --padding-bottom: 14px;
    min-height: 48px;
}

/* Legacy .btn classes for JS-generated content */
.btn {
    width: 100%;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 44px;
    font-family: inherit;
}

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

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

.btn-primary:active {
    transform: translateY(1px);
}

.btn-secondary {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.mt-4 {
    margin-top: 1.25rem;
}

.mb-4 {
    margin-bottom: 1.25rem;
}

/* ============ Segment (Sub-tabs) ============ */

ion-segment {
    --background: rgba(15, 23, 42, 0.5);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

ion-segment-button {
    --color: var(--text-secondary);
    --color-checked: var(--primary-light);
    --indicator-color: var(--primary);
    --indicator-height: 3px;
    font-weight: 500;
    font-size: 0.9rem;
    min-height: 40px;
    text-transform: none;
    letter-spacing: 0;
}

.subtab-content {
    display: none;
}

.subtab-content.active {
    display: block;
}

/* Legacy tabs-sub for JS-generated content */
.tabs-sub {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding-bottom: 0.75rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s;
    font-family: inherit;
}

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

.tab-btn.active {
    color: var(--primary-light);
    border-bottom-color: var(--primary);
}

/* ============ Result Box ============ */

.result-box {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    color: var(--text-primary);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    line-height: 1.6;
    margin-top: 1.25rem;
    word-break: break-word;
}

.result-header-large {
    font-size: 1.75rem;
    color: var(--success);
    font-weight: 800;
    margin-bottom: 0.5rem;
}

/* ============ Workday Results Card ============ */

.results {
    display: none;
    animation: fadeSlideIn 0.35s ease;
}

.results.show {
    display: block;
}

.result-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(99, 102, 241, 0.08));
    border-radius: var(--radius-md);
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.result-main {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--success);
    line-height: 1;
    text-shadow: 0 0 30px rgba(16, 185, 129, 0.2);
}

@media (min-width: 768px) {
    .result-main {
        font-size: 4.5rem;
    }
}

.result-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0.5rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-top: 1.25rem;
}

@media (min-width: 600px) {
    .result-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.result-item {
    background: rgba(15, 23, 42, 0.6);
    padding: 1.25rem 0.75rem;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.result-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    opacity: 1;
}

.result-item:active {
    transform: scale(0.97);
}

.result-item .value {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .result-item .value {
        font-size: 2.25rem;
    }
}

.result-item .label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Result item color variants */
.result-item.total::before { background: var(--primary); }
.result-item.total .value { color: var(--primary-light); }

.result-item.holidays::before { background: var(--danger); }
.result-item.holidays .value { color: var(--danger); }

.result-item.weekends::before { background: var(--warning); }
.result-item.weekends .value { color: var(--warning); }

.result-item.makeup::before { background: var(--success); }
.result-item.makeup .value { color: var(--success); }

/* ============ Special Days Section ============ */

.special-days {
    margin-top: 1.25rem;
    padding: 1.25rem;
    background: rgba(15, 23, 42, 0.5);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.special-days h3 {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.day-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.day-tag {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid var(--primary);
    border-radius: 2rem;
    font-size: 0.8125rem;
    color: var(--primary-light);
}

.day-tag.statutory {
    background: rgba(239, 68, 68, 0.12);
    border-color: var(--danger);
    color: var(--danger);
}

.day-tag.inlieu {
    background: rgba(245, 158, 11, 0.12);
    border-color: var(--warning);
    color: var(--warning);
}

.day-tag.holiday {
    background: rgba(239, 68, 68, 0.12);
    border-color: var(--danger);
    color: var(--danger);
}

.day-tag.makeup {
    background: rgba(16, 185, 129, 0.12);
    border-color: var(--success);
    color: var(--success);
}

/* ============ Step Titles (Double Wage) ============ */

.step-title {
    margin-bottom: 1rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.step-desc {
    color: var(--text-secondary);
    font-size: 0.8125rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.step-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.step-header-row .step-title {
    margin-bottom: 0;
}

/* ============ Tables ============ */

.table-container {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

th, td {
    padding: 0.75rem 0.625rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.8125rem;
}

th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    background: rgba(15, 23, 42, 0.3);
    position: sticky;
    top: 0;
    z-index: 1;
}

td {
    color: var(--text-primary);
}

td input {
    width: 80px;
    padding: 0.375rem 0.5rem;
    font-size: 16px; /* Prevent Safari zoom */
    font-family: inherit;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
}

td input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-soft);
}

@media (max-width: 480px) {
    th, td {
        padding: 0.5rem 0.375rem;
        font-size: 0.75rem;
    }

    td input {
        width: 65px;
        padding: 0.25rem 0.375rem;
    }

    .table-container {
        margin-left: -1.5rem;
        margin-right: -1.5rem;
        width: calc(100% + 3rem);
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
}

/* ============ Bonus Section ============ */

.bonus-section-box {
    margin-top: 1.5rem;
    padding: 1.25rem;
    background: rgba(15, 23, 42, 0.4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.bonus-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.bonus-result-box {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.5);
    border-radius: var(--radius-sm);
}

/* ============ Loading & Error States ============ */

.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.loading ion-spinner {
    display: block;
    margin: 0 auto 1rem;
    color: var(--primary);
}

.loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 1s linear infinite;
}

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

.error {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 1rem;
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 0.875rem;
}

/* ============ Footer ============ */

.app-footer ion-toolbar {
    --background: transparent;
    --border-color: var(--border);
}

.footer-text {
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-align: center;
}

.footer-brand {
    color: var(--primary-light);
    font-weight: 600;
}

/* ============ Safari-specific Fixes ============ */

/* Prevent text size adjustment */
html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

/* Smooth scrolling */
ion-content {
    --overflow: auto;
}

/* Fix input styling in Safari */
input, select, textarea {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

input[type="checkbox"] {
    -webkit-appearance: checkbox;
    appearance: checkbox;
}

/* Remove input shadow in iOS Safari */
input:not([type="checkbox"]):not([type="radio"]) {
    -webkit-appearance: none;
    box-shadow: none;
}

/* Tap highlight color */
a, button, ion-item, ion-button {
    -webkit-tap-highlight-color: rgba(99, 102, 241, 0.1);
}

/* Prevent pull-to-refresh in standalone mode */
body {
    overscroll-behavior-y: contain;
}

/* Safe area support */
ion-footer ion-toolbar:last-of-type {
    padding-bottom: env(safe-area-inset-bottom);
}

/* ============ Dark Mode Ionic Overrides ============ */

ion-list {
    background: transparent;
}

ion-card {
    margin-inline: 0;
}

/* Segment styling for iOS */
ion-segment {
    border-radius: 8px;
}

/* ============ Responsive Adjustments ============ */

@media (max-width: 768px) {
    .content-container {
        padding: 0.75rem 0.75rem 2rem;
    }

    ion-card.calc-card ion-card-content {
        padding: 1.25rem;
    }

    .result-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .section-header {
        margin-bottom: 1rem;
    }

    .section-subtitle {
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .content-container {
        padding: 0.5rem 0.5rem 2rem;
    }

    ion-card.calc-card {
        border-radius: var(--radius-md);
    }

    ion-card.calc-card ion-card-content {
        padding: 1rem;
    }

    .step-header-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .result-item .value {
        font-size: 1.5rem;
    }

    .result-item .label {
        font-size: 0.7rem;
    }

    .result-main {
        font-size: 2.75rem;
    }

    ion-button.calc-btn {
        font-size: 0.95rem;
    }

    .contract-input-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}

/* ============ Utility Classes (used by JS modules) ============ */

.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border);
    margin-bottom: 1.25rem;
}

/* Print styles */
@media print {
    ion-menu, ion-header, ion-footer, ion-menu-button {
        display: none !important;
    }

    ion-content {
        --offset-top: 0 !important;
    }

    .content-container {
        max-width: 100%;
        padding: 0;
    }

    ion-card.calc-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}