/**
 * INVOICER - SHARED STYLESHEET
 *
 * Consolidated styles for consistent UX across the entire application.
 * Designed for elderly tradespeople - large fonts, clear buttons, simple layout.
 *
 * Brand Colors:
 * - Dark Green (Primary): #2d5016
 * - Gold (Accent): #fbbf24
 * - Light Green (Background): #f0f7ed
 * - Footer Dark: #2d5016
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Brand Colors */
    --color-primary: #2d5016;
    --color-primary-hover: #234010;
    --color-primary-dark: #2d5016;
    --color-primary-light: #3d6821;
    --color-primary-darker: #1a3a0a;
    --color-gold: #fbbf24;
    --color-gold-hover: #f59e0b;
    --color-gold-dark: #d97706;

    /* Backgrounds */
    --color-bg-light: #f0f7ed;
    --color-bg-green: #f0fdf4;
    --color-bg-green-light: #dcfce7;
    --color-bg-grey: #f9fafb;
    --color-bg-grey-light: #f5f5f5;
    --color-white: #ffffff;

    /* Text Colors */
    --color-text: #333;
    --color-text-dark: #1f2937;
    --color-text-light: #666;
    --color-text-lighter: #999;
    --color-text-muted: #6b7280;

    /* Borders */
    --color-border: #ccc;  /* Improved from #ddd for better elderly accessibility */
    --color-border-light: #e5e7eb;
    --color-border-lighter: #f0f0f0;

    /* Status Colors */
    --color-success: #10b981;
    --color-success-bg: #d1fae5;
    --color-success-dark: #065f46;
    --color-warning: #fbbf24;
    --color-warning-bg: #fef3c7;
    --color-warning-dark: #92400e;
    --color-error: #ef4444;
    --color-error-bg: #fee2e2;
    --color-error-dark: #991b1b;
    --color-error-brown: #7c2d12;
    --color-info: #3b82f6;
    --color-info-bg: #dbeafe;
    --color-info-dark: #1e40af;

    /* Hover States */
    --color-disabled: #9ca3af;
    --color-success-hover: #059669;
    --color-danger-hover: #b91c1c;
    --color-btn-secondary-hover: #4b5563;
    --color-success-text: #047857;
    --color-success-bright: #22c55e;
    --color-success-text-dark: #166534;

    /* Gradient Starts */
    --color-bg-amber-light: #fffbeb;
    --color-bg-blue-light: #eff6ff;
    --color-bg-red-light: #fef2f2;
    --color-bg-green-50: #ecfdf5;

    /* Additional UI Colors */
    --color-border-medium: #d1d5db;
    --color-bg-grey-100: #f3f4f6;
    --color-text-green-dark: #064e3b;
    --color-viewed: #7c3aed;
    --color-viewed-bg: #ede9fe;
    --color-indigo: #6366f1;

    /* Footer */
    --color-footer-dark: #2d5016;

    /* Font Sizes - Elderly-Friendly (Large) */
    --font-size-base: 18px;
    --font-size-small: 16px;
    --font-size-smaller: 16px;
    --font-size-medium: 20px;
    --font-size-large: 22px;
    --font-size-xlarge: 24px;
    --font-size-h1: 48px;
    --font-size-h2: 36px;
    --font-size-h3: 24px;
    --font-size-h4: 20px;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 40px;
    --spacing-2xl: 60px;
    --spacing-3xl: 80px;

    /* Touch Targets - Minimum 48x48px for elderly accessibility */
    --touch-target-min: 48px;

    /* Border Radius */
    --border-radius: 8px;
    --border-radius-sm: 6px;
    --border-radius-lg: 12px;
    --border-radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 8px 24px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* ============================================
   RESET AND BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1 {
    font-size: var(--font-size-h1);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    color: var(--color-text-dark);
}

h2 {
    font-size: var(--font-size-h2);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    color: var(--color-primary);
}

h3 {
    font-size: var(--font-size-h3);
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-primary);
}

h4 {
    font-size: var(--font-size-h4);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
}

small {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

strong {
    font-weight: 600;
    color: var(--color-text-dark);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

ul, ol {
    margin-left: 30px;
    margin-bottom: var(--spacing-md);
}

li {
    margin-bottom: 10px;
}

/* Mobile Typography Adjustments */
@media (max-width: 768px) {
    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 32px;
    }

    h3 {
        font-size: 22px;
    }

    p {
        font-size: var(--font-size-base);
    }
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-3xl) var(--spacing-md);
}

.section-light {
    background: var(--color-white);
}

.section-green {
    background: var(--color-bg-green);
}

.section-grey {
    background: var(--color-bg-grey);
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    padding: 20px 40px;
    font-size: var(--font-size-large);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    min-height: var(--touch-target-min);
    transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
    font-family: inherit;
    /* Default button style - gold with dark green text for high contrast */
    background: var(--color-gold);
    color: var(--color-primary);
    /* Flexbox for perfect vertical AND horizontal centering */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    vertical-align: middle;
    /* Ensure consistent height across all buttons */
    box-sizing: border-box;
}

.btn:hover {
    background: var(--color-gold-hover);
    color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--color-gold-hover);
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

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

.btn-secondary:hover {
    background: var(--color-bg-light);
    color: var(--color-primary);
    text-decoration: none;
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-primary);
    text-decoration: none;
}

.btn-primary-white {
    background: var(--color-white);
    color: var(--color-primary);
    font-weight: 700;
}

.btn-primary-white:hover {
    background: var(--color-bg-grey);
    color: var(--color-primary);
    text-decoration: none;
}

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

.btn-success:hover {
    background: var(--color-success-dark);
    color: var(--color-white);
    text-decoration: none;
}

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

.btn-danger:hover {
    background: var(--color-error-dark);
    color: var(--color-white);
    text-decoration: none;
}

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

.btn-info:hover {
    background: var(--color-info-dark);
    color: var(--color-white);
    text-decoration: none;
}

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

.btn-warning:hover {
    background: var(--color-warning-dark);
    color: var(--color-white);
    text-decoration: none;
}

/* Gradient button - eye-catching for primary actions */
.btn-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
}

.btn-gradient:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

/* Gold gradient button - for premium/special actions */
.btn-gold-gradient {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-primary);
    font-weight: 700;
}

.btn-gold-gradient:hover {
    background: linear-gradient(135deg, var(--color-gold-hover) 0%, var(--color-gold) 100%);
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.btn-small {
    padding: 0 24px;
    font-size: var(--font-size-base);
    min-width: 140px;
    height: 48px;
    min-height: 48px;
    line-height: 48px;
}

/* Inline forms wrapping buttons - prevent height/alignment mismatch
   when <form> buttons sit next to <a> buttons in the same row.
   Only target forms that contain JUST a button (no inputs/form-groups) */
form:has(> .btn):not(:has(input, .form-group, textarea, select)) {
    display: inline-flex;
    margin: 0;
    padding: 0;
    vertical-align: middle;
}

.btn:disabled,
.btn[disabled] {
    background: var(--color-disabled);
    cursor: not-allowed;
    opacity: 0.6;
}

.btn:disabled:hover,
.btn[disabled]:hover {
    transform: none;
    box-shadow: none;
}

/* Mobile Button Adjustments */
@media (max-width: 768px) {
    .btn {
        padding: 16px 30px;
        font-size: var(--font-size-medium);
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }

    .btn-small {
        padding: 0 20px;
        font-size: var(--font-size-small);
        height: 48px;
        min-height: 48px;
        line-height: 48px;
    }
}

/* ============================================
   SEND BUTTON WRAPPER & STATUS BADGES
   Used on invoice/quote view pages
   ============================================ */
.send-btn-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.send-status {
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    white-space: nowrap;
    text-align: center;
}

.send-status.sent {
    background: var(--color-success);
    color: white;
}

.send-status.not-sent {
    background: var(--color-warning-bg);
    color: var(--color-warning-dark);
    border: 1px solid var(--color-warning);
}

@media (max-width: 768px) {
    .send-btn-wrapper {
        width: 100%;
    }

    .send-btn-wrapper .btn {
        width: 100%;
    }
}

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

.form-label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-dark);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: var(--font-size-base);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    min-height: var(--touch-target-min);
    font-family: inherit;
    transition: border-color var(--transition-normal);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.1);
}

select.form-control {
    appearance: none;
    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='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
    line-height: 1.5;
}

.form-text {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
    display: block;
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 24px;
    height: 24px;
    cursor: pointer;
}

.form-check label {
    font-size: var(--font-size-base);
    cursor: pointer;
    margin-bottom: 0;
}

/* Mobile fix for date inputs - prevent overflow from native date picker */
@media (max-width: 768px) {
    input[type="date"] {
        max-width: 100%;
        min-width: 0;
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
    }
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

/* Colorful card variants with left accent borders */
.card-success {
    border-left: 5px solid var(--color-success);
    background: linear-gradient(to right, var(--color-success-bg) 0%, var(--color-white) 20%);
}

.card-warning {
    border-left: 5px solid var(--color-warning);
    background: linear-gradient(to right, var(--color-warning-bg) 0%, var(--color-white) 20%);
}

.card-info {
    border-left: 5px solid var(--color-info);
    background: linear-gradient(to right, var(--color-info-bg) 0%, var(--color-white) 20%);
}

.card-primary {
    border-left: 5px solid var(--color-primary);
    background: linear-gradient(to right, var(--color-bg-light) 0%, var(--color-white) 20%);
}

.feature-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.stat-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
}

/* ============================================
   GRIDS
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 768px) {
    .features-grid,
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* ============================================
   ALERTS & NOTICES
   ============================================ */
.alert {
    padding: 20px 25px;
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 500;
}

.alert-success {
    background: var(--color-success-bg);
    border: 3px solid var(--color-success);
    color: var(--color-success-dark);
}

.alert-error {
    background: var(--color-error-bg);
    border: 3px solid var(--color-error);
    color: var(--color-error-dark);
}

.alert-warning {
    background: var(--color-warning-bg);
    border: 3px solid var(--color-warning);
    color: var(--color-warning-dark);
}

.alert-info {
    background: var(--color-info-bg);
    border: 3px solid var(--color-info);
    color: var(--color-info-dark);
}

.highlight-box {
    background: var(--color-bg-green);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
    margin: 25px 0;
}

/* ============================================
   TABLES
   ============================================ */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
    font-size: var(--font-size-base);
}

.data-table th {
    background: var(--color-bg-grey);
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-border-light);
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid var(--color-border-light);
}

.data-table tr:hover {
    background: var(--color-bg-grey);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    padding: var(--spacing-3xl) var(--spacing-md);
    text-align: center;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 56px;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.hero p {
    font-size: var(--font-size-xlarge);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 42px;
    }

    .hero p {
        font-size: var(--font-size-medium);
    }
}

/* ============================================
   PRICING CARDS
   ============================================ */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background: var(--color-white);
    padding: 50px 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 3px solid transparent;
    transition: all var(--transition-normal);
}

.pricing-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

.pricing-card.featured {
    border-color: var(--color-gold);
    box-shadow: 0 8px 24px rgba(251, 191, 36, 0.3);
}

.price {
    font-size: 56px;
    font-weight: 700;
    color: var(--color-primary);
    margin: var(--spacing-md) 0;
}

.price-term {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.save-badge {
    background: var(--color-gold);
    color: var(--color-primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: var(--font-size-small);
    font-weight: 600;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

@media (max-width: 768px) {
    .pricing-cards {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonial {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    margin: var(--spacing-lg) auto;
    max-width: 800px;
}

.testimonial-text {
    font-size: var(--font-size-large);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.testimonial-author {
    font-weight: 600;
    color: var(--color-primary);
    font-size: var(--font-size-base);
}

.testimonial-role {
    color: var(--color-text-light);
    font-size: var(--font-size-small);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    text-align: center;
    padding: 100px var(--spacing-md);
}

.cta-section h2 {
    color: white;
    font-size: var(--font-size-h1);
    margin-bottom: var(--spacing-lg);
}

.cta-section p {
    font-size: var(--font-size-xlarge);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 768px) {
    .cta-section {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .cta-section h2 {
        font-size: 36px;
    }
}

/* ============================================
   PAGE COMPONENTS (Common across Dashboard, Clients, Invoices, etc.)
   ============================================ */

/* Page Headers - Gradient backgrounds used on list/detail pages */
.page-header {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: white;
    padding: 40px 20px;
    box-shadow: var(--shadow-md);
}

.page-header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin: 0;
    color: white;
}

.page-subtitle {
    font-size: var(--font-size-medium);
    opacity: 0.9;
    margin-top: 5px;
}

/* Dashboard-style Header (slightly different gradient) */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    padding: 25px 20px;
    box-shadow: var(--shadow-md);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Public Page Header - For contact, terms, privacy pages */
.public-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
}

.public-header .logo {
    max-width: 180px;
    height: auto;
    margin: 0 auto var(--spacing-md);
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3));
}

.public-header .brand-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.public-header h1 {
    font-size: 42px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.public-header .subtitle {
    font-size: var(--font-size-medium);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.public-header .last-updated {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    font-style: italic;
}

@media (max-width: 768px) {
    .public-header h1 {
        font-size: 32px;
    }
}

.logo {
    font-size: 28px;
    font-weight: 700;
}

.user-info {
    text-align: right;
    font-size: var(--font-size-base);
}

.user-info a {
    color: var(--color-gold);
    text-decoration: none;
    font-weight: 600;
}

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

/* Back Link - Used on detail/edit pages */
.back-link {
    display: inline-block;
    color: white;
    text-decoration: none;
    font-size: var(--font-size-medium);
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
}

.back-link:hover {
    background: rgba(255, 255, 255, 0.3);
    color: white;
    transform: translateX(-5px);
    text-decoration: none !important;
}

/* Welcome Box - Used on dashboard */
.welcome {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

/* Status Notices - Trial notices, plan details, warnings */
.trial-notice {
    background: var(--color-warning-bg);
    border: 3px solid var(--color-warning);
    color: var(--color-warning-dark);
    padding: 25px;
    border-radius: var(--border-radius-lg);
    margin-top: var(--spacing-md);
    font-size: var(--font-size-medium);
    font-weight: 600;
}

.plan-details {
    background: linear-gradient(135deg, var(--color-bg-green) 0%, var(--color-bg-green-light) 100%);
    border: 2px solid var(--color-success);
    color: var(--color-text-green-dark);
    padding: 20px 25px;
    border-radius: var(--border-radius-lg);
    margin-top: var(--spacing-md);
    font-size: var(--font-size-base);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.profile-incomplete {
    background: var(--color-bg-red-light);
    border: 2px solid var(--color-error);
    color: var(--color-error-dark);
    padding: 25px;
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
}

/* List Header - Header with action button */
.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

/* Add/Action Buttons - Large prominent buttons */
.add-button {
    display: inline-block;
    background: var(--color-success);
    color: white;
    padding: 18px 36px;
    font-size: var(--font-size-large);
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    min-height: var(--touch-target-min);
}

.add-button:hover {
    background: var(--color-success-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

/* Filter Controls - Search, sort, filter UI */
.filters {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.filter-row {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.filter-group input,
.filter-group select {
    width: 100%;
    padding: 12px;
    font-size: var(--font-size-base);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    min-height: var(--touch-target-min);
}

.filter-group button {
    padding: 12px 24px;
    font-size: var(--font-size-base);
    min-height: var(--touch-target-min);
}

/* Empty State - When no results found */
.empty-state {
    text-align: center;
    padding: 60px var(--spacing-md);
    color: var(--color-text-light);
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state h3 {
    font-size: var(--font-size-h2);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-lg);
}

/* Quick Stats - Dashboard stats grid */
.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-box {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
}

/* Section Divider */
.section-divider {
    border: 0;
    height: 1px;
    background: var(--color-border-light);
    margin: var(--spacing-2xl) 0;
}

/* Mobile Adjustments for Page Components */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 36px;
    }

    .page-header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .list-header {
        flex-direction: column;
        align-items: stretch;
    }

    .add-button {
        width: 100%;
        text-align: center;
    }

    .filter-row {
        flex-direction: column;
    }

    .filter-group {
        width: 100%;
    }
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--color-primary);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-full);
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    z-index: 1000;
}

.back-to-top:hover {
    background: var(--color-primary-light);
    color: white !important;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
    text-decoration: none;
}

.back-to-top.show {
    display: flex;
}

@media (max-width: 768px) {
    .back-to-top {
        width: 50px;
        height: 50px;
        font-size: 24px;
        bottom: 20px;
        right: 20px;
    }
}

/* ============================================
   LOGO STYLING
   ============================================ */
.logo-img {
    max-width: 180px;
    height: auto;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3));
}

.logo-img-nav {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
}

.logo-text {
    font-size: var(--font-size-large);
    font-weight: 700;
    color: var(--color-primary);
}

/* ============================================
   NAVIGATION
   ============================================ */
.main-nav {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    padding: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--color-footer-dark);
    color: white;
    padding: 60px 20px 30px;
    margin-top: var(--spacing-xl);
    text-align: center;
}

/* Remove footer gap when preceded by a green CTA section (edge-to-edge flow) */
.cta-section + footer,
main:has(> .cta-section:last-child) + footer {
    margin-top: 0;
}

/* Reset .container inside footer - many pages style .container with
   background:white for content cards, which bleeds into the footer */
footer .container {
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    padding: 0 var(--spacing-md);
    max-width: 1200px;
}

footer .footer-title {
    font-size: var(--font-size-medium);
    margin-bottom: 10px;
    color: white !important;
}

footer .footer-title strong {
    color: white !important;
}

footer .footer-subtitle {
    font-size: var(--font-size-small);
    margin-bottom: var(--spacing-md);
    color: white !important;
}

footer .footer-links {
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 30px;
}

footer .footer-links a {
    color: var(--color-gold) !important;
    text-decoration: none;
    white-space: nowrap;
    outline: none !important;
}

footer .footer-links a:hover {
    color: var(--color-gold) !important;
    text-decoration: underline;
}

footer .footer-links a:focus {
    outline: none !important;
}

footer .footer-links a:active {
    outline: none !important;
}

footer .footer-copyright {
    font-size: var(--font-size-smaller);
    color: var(--color-text-lighter) !important;
    margin-top: var(--spacing-lg);
}

@media (max-width: 768px) {
    footer .footer-links {
        gap: 8px 20px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

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

.text-gold {
    color: var(--color-gold);
}

.text-success {
    color: var(--color-success);
}

.text-error {
    color: var(--color-error);
}

.text-muted {
    color: var(--color-text-light);
}

.bg-light {
    background: var(--color-bg-light);
}

.bg-green {
    background: var(--color-bg-green);
}

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

.mb-0 {
    margin-bottom: 0;
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.d-none {
    display: none;
}

.d-block {
    display: block;
}

.d-flex {
    display: flex;
}

.d-inline {
    display: inline;
}

.d-inline-block {
    display: inline-block;
}

/* Text Colors - Extended */
.text-grey {
    color: var(--color-text-light);
}

.text-dark {
    color: var(--color-text-dark);
}

/* Background Colors - Extended */
.bg-grey {
    background: var(--color-bg-grey);
}

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

/* Colorful gradient backgrounds for section variety */
.bg-gradient-green {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-green) 100%);
}

.bg-gradient-gold {
    background: linear-gradient(135deg, var(--color-bg-amber-light) 0%, var(--color-warning-bg) 100%);
}

.bg-gradient-blue {
    background: linear-gradient(135deg, var(--color-bg-blue-light) 0%, var(--color-info-bg) 100%);
}

/* Accent border utilities for visual interest */
.border-left-gold {
    border-left: 4px solid var(--color-gold);
}

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

.border-top-gold {
    border-top: 3px solid var(--color-gold);
}

.border-top-green {
    border-top: 3px solid var(--color-primary);
}

/* Font Weights */
.fw-normal {
    font-weight: 400;
}

.fw-medium {
    font-weight: 500;
}

.fw-semibold {
    font-weight: 600;
}

.fw-bold {
    font-weight: 700;
}

/* Font Sizes */
.fs-small {
    font-size: var(--font-size-small);
}

.fs-base {
    font-size: var(--font-size-base);
}

.fs-medium {
    font-size: var(--font-size-medium);
}

.fs-large {
    font-size: var(--font-size-large);
}

.fs-h3 {
    font-size: var(--font-size-h3);
}

/* Margins - Extended */
.m-0 {
    margin: 0;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-xs {
    margin-bottom: var(--spacing-xs);
}

.mt-0 {
    margin-top: 0;
}

.mt-xs {
    margin-top: var(--spacing-xs);
}

.mt-xl {
    margin-top: var(--spacing-xl);
}

.mt-2xl {
    margin-top: var(--spacing-2xl);
}

.ml-auto {
    margin-left: auto;
}

.mr-auto {
    margin-right: auto;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

/* Padding */
.p-0 {
    padding: 0;
}

.p-sm {
    padding: var(--spacing-sm);
}

.p-md {
    padding: var(--spacing-md);
}

.p-lg {
    padding: var(--spacing-lg);
}

/* Flexbox Utilities - Extended */
.flex-row {
    display: flex;
    flex-direction: row;
}

.flex-column {
    display: flex;
    flex-direction: column;
}

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

.align-center {
    align-items: center;
}

.align-start {
    align-items: flex-start;
}

.align-end {
    align-items: flex-end;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-start {
    justify-content: flex-start;
}

.justify-end {
    justify-content: flex-end;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Gaps - Extended */
.gap-xs {
    gap: var(--spacing-xs);
}

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

.gap-lg {
    gap: var(--spacing-lg);
}

/* Borders */
.border {
    border: 2px solid var(--color-border);
}

.border-bottom {
    border-bottom: 1px solid var(--color-border-light);
}

.border-bottom-thick {
    border-bottom: 2px solid var(--color-border-light);
}

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

.border-left-success {
    border-left: 5px solid var(--color-success);
}

.border-radius {
    border-radius: var(--border-radius);
}

.border-radius-lg {
    border-radius: var(--border-radius-lg);
}

/* Widths */
.w-full {
    width: 100%;
}

.w-auto {
    width: auto;
}

.max-w-250 {
    max-width: 250px;
}

/* Shadows */
.shadow-sm {
    box-shadow: var(--shadow-sm);
}

.shadow-md {
    box-shadow: var(--shadow-md);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

/* Status Badges - For invoice statuses, user states, etc. */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: var(--font-size-small);
    font-weight: 600;
    line-height: 1.2;
}

.badge-success {
    background: var(--color-success);
    color: white;
}

.badge-warning {
    background: var(--color-warning);
    color: var(--color-warning-dark);
}

.badge-error {
    background: var(--color-error);
    color: white;
}

.badge-info {
    background: var(--color-info);
    color: white;
}

.badge-grey {
    background: var(--color-bg-grey);
    color: var(--color-text);
}

/* Cursor */
.cursor-pointer {
    cursor: pointer;
}

/* Container Helpers */
.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
/* Focus states - visible for keyboard navigation, invisible for mouse clicks */
.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Remove outline on click/mouse focus - only show for keyboard navigation */
.btn:focus:not(:focus-visible) {
    outline: none;
}

a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}

/* Remove outline on click/mouse focus */
a:focus:not(:focus-visible) {
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.1);
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .back-to-top,
    .main-nav,
    footer {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    h1 {
        font-size: 24pt;
    }

    h2 {
        font-size: 18pt;
    }
}

/* Fix: buttons keep their text colour on hover (global a:hover overrides them) */
.btn:hover,
button:hover,
.action-btn:hover,
.btn-primary:hover,
.btn-success:hover,
.btn-info:hover,
.btn-warning:hover,
.btn-danger:hover {
    color: inherit;
    text-decoration: none;
}