/**
 * WOIRA - Main Stylesheet
 * WCAG 2.1 AA Compliant
 *
 * Color contrast ratios verified for AA compliance (minimum 4.5:1 for text)
 */

/* ============================================================================
   CSS Variables
   ============================================================================ */
:root {
    /* Primary colors - UK Gov inspired palette */
    --color-primary: #1d70b8;
    --color-primary-dark: #003078;
    --color-primary-light: #5694ca;

    /* Secondary colors */
    --color-secondary: #4c6272;
    --color-accent: #00703c;

    /* Neutral colors */
    --color-text: #0b0c0c;
    --color-text-secondary: #505a5f;
    --color-background: #ffffff;
    --color-background-alt: #f3f2f1;
    --color-border: #b1b4b6;
    --color-border-dark: #0b0c0c;

    /* Status colors */
    --color-success: #00703c;
    --color-error: #d4351c;
    --color-warning: #f47738;
    --color-info: #1d70b8;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-base: 1rem;
    --font-size-small: 0.875rem;
    --font-size-large: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --line-height: 1.6;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;

    /* Focus outline - high visibility for accessibility */
    --focus-outline: 3px solid #ffdd00;
    --focus-outline-offset: 0;

    /* Container width */
    --container-max-width: 1200px;
    --container-narrow: 600px;
}

/* ============================================================================
   Reset & Base Styles
   ============================================================================ */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 100%;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-background);
}

/* Focus styles - critical for accessibility */
:focus {
    outline: var(--focus-outline);
    outline-offset: var(--focus-outline-offset);
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: var(--focus-outline);
    outline-offset: var(--focus-outline-offset);
}

/* ============================================================================
   Typography
   ============================================================================ */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--space-md);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }

p {
    margin-top: 0;
    margin-bottom: var(--space-md);
}

a {
    color: var(--color-primary);
    text-decoration: underline;
}

a:hover {
    color: var(--color-primary-dark);
}

a:visited {
    color: #4c2c92;
}

/* Visually hidden but accessible to screen readers */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================================================
   Layout
   ============================================================================ */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.main-content {
    min-height: 60vh;
    padding: var(--space-2xl) 0;
}

/* ============================================================================
   Header
   ============================================================================ */
.header {
    background-color: var(--color-primary-dark);
    color: #fff;
    padding: var(--space-md) 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.logo {
    color: #fff;
    text-decoration: none;
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.logo:hover, .logo:visited {
    color: #fff;
}

.main-nav .nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--space-lg);
}

.main-nav a {
    color: #fff;
    text-decoration: none;
    padding: var(--space-sm) 0;
}

.main-nav a:hover {
    text-decoration: underline;
}

.header-actions {
    display: flex;
    gap: var(--space-sm);
}

/* ============================================================================
   Buttons
   ============================================================================ */
.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.15s, border-color 0.15s;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background-color: #005a30;
    border-color: #005a30;
    color: #fff;
}

.btn-secondary {
    background-color: #fff;
    color: var(--color-text);
    border-color: var(--color-text);
}

.btn-secondary:hover {
    background-color: var(--color-background-alt);
}

.btn-text {
    background: none;
    border: none;
    color: var(--color-primary);
    text-decoration: underline;
    padding: var(--space-sm);
}

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

.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-large);
}

.btn-small {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-small);
}

.btn-link {
    background: none;
    border: none;
    color: var(--color-primary);
    text-decoration: underline;
    cursor: pointer;
    padding: 0;
    font-size: inherit;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: #fff;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-text);
    outline: var(--focus-outline);
    outline-offset: 0;
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-textarea-large {
    min-height: 300px;
}

.form-help {
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    margin-top: var(--space-xs);
}

.form-error {
    color: var(--color-error);
    font-size: var(--font-size-small);
    margin-top: var(--space-xs);
    font-weight: 600;
}

.form-checkbox,
.form-radio {
    width: 24px;
    height: 24px;
    margin-right: var(--space-sm);
}

.form-group-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.form-group-checkbox label {
    font-weight: normal;
    margin-bottom: 0;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.form-intro {
    font-size: var(--font-size-large);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

/* ============================================================================
   Cards
   ============================================================================ */
.checkbox-card,
.radio-card {
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    cursor: pointer;
    transition: border-color 0.15s;
}

.checkbox-card:has(input:checked),
.radio-card:has(input:checked) {
    border-color: var(--color-primary);
    background-color: #f0f7ff;
}

.checkbox-card label,
.radio-card label {
    cursor: pointer;
}

/* ============================================================================
   Messages
   ============================================================================ */
.messages {
    padding: var(--space-md) 0;
}

.message {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.message-success {
    background-color: #cce5d6;
    border: 2px solid var(--color-success);
    color: #0b3b1c;
}

.message-error {
    background-color: #f6d7d2;
    border: 2px solid var(--color-error);
    color: #6c120a;
}

.message-warning {
    background-color: #fde4d0;
    border: 2px solid var(--color-warning);
    color: #6e3619;
}

.message-info {
    background-color: #d4e5f7;
    border: 2px solid var(--color-info);
    color: #0b3d7c;
}

.message-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

/* ============================================================================
   Auth Pages
   ============================================================================ */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    padding: var(--space-2xl);
}

.auth-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    width: 100%;
    max-width: var(--container-narrow);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.auth-card h1 {
    margin-bottom: var(--space-sm);
}

.auth-subtitle {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.auth-links {
    margin-top: var(--space-xl);
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.auth-card-wide {
    max-width: 800px;
}

/* ============================================================================
   Dashboard
   ============================================================================ */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2xl);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: var(--color-background-alt);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    color: var(--color-text-secondary);
}

.order-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.status-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-small);
    font-weight: 600;
}

.status-draft {
    background-color: #fde4d0;
    color: #6e3619;
}

.status-completed {
    background-color: #cce5d6;
    color: #0b3b1c;
}

.status-cancelled {
    background-color: #f3f2f1;
    color: #505a5f;
}

.empty-state {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--color-text-secondary);
}

/* ============================================================================
   Wizard
   ============================================================================ */
.wizard {
    max-width: 800px;
    margin: 0 auto;
}

.wizard-progress {
    margin-bottom: var(--space-2xl);
}

.progress-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-between;
}

.progress-step {
    flex: 1;
    text-align: center;
    position: relative;
}

.progress-step::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--color-border);
}

.progress-step:last-child::before {
    display: none;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-border);
    color: #fff;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.progress-step.completed .step-number {
    background: var(--color-success);
}

.progress-step.current .step-number {
    background: var(--color-primary);
}

.step-title {
    display: block;
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    margin-top: var(--space-sm);
}

.wizard-header {
    margin-bottom: var(--space-xl);
}

.wizard-actions {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

/* ============================================================================
   Hero Section
   ============================================================================ */
.hero {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: #fff;
    padding: var(--space-3xl) 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

/* ============================================================================
   Features Section
   ============================================================================ */
.features {
    padding: var(--space-3xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    text-align: center;
    padding: var(--space-xl);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

/* ============================================================================
   CTA Section
   ============================================================================ */
.cta {
    background-color: var(--color-background-alt);
    padding: var(--space-3xl) 0;
    text-align: center;
}

.cta h2 {
    margin-bottom: var(--space-md);
}

.cta p {
    margin-bottom: var(--space-xl);
    color: var(--color-text-secondary);
}

/* ============================================================================
   Footer
   ============================================================================ */
.footer {
    background-color: var(--color-primary-dark);
    color: #fff;
    padding: var(--space-2xl) 0;
    margin-top: var(--space-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
}

.footer-section h2,
.footer-section h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-md);
}

.footer-section ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-section li {
    margin-bottom: var(--space-sm);
}

.footer-section a {
    color: #fff;
    text-decoration: underline;
}

.footer-bottom {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    font-size: var(--font-size-small);
}

/* ============================================================================
   Tables
   ============================================================================ */
.orders-table-wrapper {
    overflow-x: auto;
}

.orders-table {
    width: 100%;
    border-collapse: collapse;
}

.orders-table th,
.orders-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.orders-table th {
    background-color: var(--color-background-alt);
    font-weight: 600;
}

/* ============================================================================
   Page Header
   ============================================================================ */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.page-actions {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

/* ============================================================================
   Responsive
   ============================================================================ */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .main-nav .nav-list {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .progress-steps {
        flex-wrap: wrap;
    }

    .step-title {
        display: none;
    }

    .wizard-actions {
        flex-direction: column;
        gap: var(--space-md);
    }

    .wizard-actions .btn {
        width: 100%;
    }

    .order-card {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

/* ============================================================================
   Print Styles
   ============================================================================ */
@media print {
    .header,
    .footer,
    .wizard-progress,
    .wizard-actions,
    .btn {
        display: none !important;
    }

    .main-content {
        padding: 0;
    }
}