/* ==============================================================================
   DayCountly - Modern SaaS Theme & Design System (Tailwind Compatible)
   Production Compiled CSS with Zero Node.js Requirement
   ============================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Light Theme Palette */
    --bg-page: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-secondary: #f1f5f9;
    --bg-surface-tertiary: #e2e8f0;
    --border-color: #e2e8f0;
    --border-subtle: #cbd5e1;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-inverse: #ffffff;

    --color-primary: #4f46e5;
    --color-primary-hover: #4338ca;
    --color-primary-light: #eef2ff;
    --color-primary-text: #4f46e5;

    --color-accent: #06b6d4;
    --color-accent-light: #ecfeff;
    
    --color-success: #10b981;
    --color-success-bg: #ecfdf5;
    --color-warning: #f59e0b;
    --color-warning-bg: #fffbeb;
    --color-danger: #ef4444;
    --color-danger-bg: #fef2f2;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.07);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.08);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.08);
}

.dark {
    /* Dark Theme Palette */
    --bg-page: #0b0f19;
    --bg-surface: #111827;
    --bg-surface-secondary: #1f2937;
    --bg-surface-tertiary: #374151;
    --border-color: #1f2937;
    --border-subtle: #374151;

    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-inverse: #0f172a;

    --color-primary: #6366f1;
    --color-primary-hover: #818cf8;
    --color-primary-light: #1e1b4b;
    --color-primary-text: #a5b4fc;

    --color-accent: #22d3ee;
    --color-accent-light: #083344;

    --color-success: #34d399;
    --color-success-bg: #064e3b;
    --color-warning: #fbbf24;
    --color-warning-bg: #78350f;
    --color-danger: #f87171;
    --color-danger-bg: #7f1d1d;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.6);
}

/* Base Styles */
*, ::before, ::after {
    box-sizing: border-box;
    border-width: 0;
    border-style: solid;
    border-color: var(--border-color);
}

html {
    font-family: var(--font-sans);
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    tab-size: 4;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background-color: var(--bg-page);
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
    transition: background-color 0.2s ease, color 0.2s ease;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.65rem; margin-top: 1.75rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.25rem; margin-top: 1.25rem; margin-bottom: 0.5rem; }
h4 { font-size: 1.1rem; }

p { margin-top: 0; margin-bottom: 1rem; color: var(--text-secondary); }
p.lead { font-size: 1.125rem; line-height: 1.7; color: var(--text-secondary); }

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.15s ease;
}
a:hover {
    color: var(--color-primary-hover);
}

code, pre {
    font-family: var(--font-mono);
    font-size: 0.875em;
}

code {
    background-color: var(--bg-surface-secondary);
    padding: 0.2em 0.4em;
    border-radius: 0.375rem;
    color: var(--color-primary);
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1 1 0%; }
.flex-shrink-0 { flex-shrink: 0; }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }

.space-y-1 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.25rem; }
.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-y-3 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.75rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }
.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }
.space-y-8 > :not([hidden]) ~ :not([hidden]) { margin-top: 2rem; }

.space-x-2 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.5rem; }
.space-x-3 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.75rem; }
.space-x-4 > :not([hidden]) ~ :not([hidden]) { margin-left: 1rem; }

/* Grid columns */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (min-width: 640px) {
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .sm\:flex-row { flex-direction: row; }
}

@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .md\:flex { display: flex; }
    .md\:hidden { display: none; }
    .md\:block { display: block; }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .lg\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
    .lg\:col-span-8 { grid-column: span 8 / span 8; }
    .lg\:col-span-4 { grid-column: span 4 / span 4; }
    .lg\:col-span-3 { grid-column: span 3 / span 3; }
    .lg\:col-span-9 { grid-column: span 9 / span 9; }
}

/* Spacing */
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }

.m-0 { margin: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.my-6 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.my-8 { margin-top: 2rem; margin-bottom: 2rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Surfaces, Borders & Shadows */
.bg-surface { background-color: var(--bg-surface); }
.bg-surface-secondary { background-color: var(--bg-surface-secondary); }
.bg-surface-tertiary { background-color: var(--bg-surface-tertiary); }
.bg-primary { background-color: var(--color-primary); }
.bg-primary-light { background-color: var(--color-primary-light); }

.border { border-width: 1px; border-color: var(--border-color); }
.border-b { border-bottom-width: 1px; border-color: var(--border-color); }
.border-t { border-top-width: 1px; border-color: var(--border-color); }
.border-dashed { border-style: dashed; }

.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

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

/* Text & Colors */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

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

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-white { color: #ffffff; }
.text-indigo-600 { color: #4f46e5; }
.text-indigo-400 { color: #818cf8; }
.text-emerald-600 { color: #059669; }
.text-emerald-400 { color: #34d399; }
.text-rose-600 { color: #e11d48; }
.text-amber-600 { color: #d97706; }

.uppercase { text-transform: uppercase; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-tight { letter-spacing: -0.025em; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.625rem 1.25rem;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.15s ease-in-out;
    border: 1px solid transparent;
    text-decoration: none;
    line-height: 1.25;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.btn-secondary {
    background-color: var(--bg-surface-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}
.btn-secondary:hover {
    background-color: var(--bg-surface-tertiary);
    color: var(--text-primary);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn-outline:hover {
    background-color: var(--color-primary-light);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    border-radius: 0.5rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    border-radius: 0.875rem;
}

/* Form Controls */
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

.form-help {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    line-height: 1;
}

.badge-primary { background-color: var(--color-primary-light); color: var(--color-primary-text); }
.badge-success { background-color: var(--color-success-bg); color: var(--color-success); }
.badge-warning { background-color: var(--color-warning-bg); color: var(--color-warning); }
.badge-danger { background-color: var(--color-danger-bg); color: var(--color-danger); }

/* Calculator Result Cards */
.result-box {
    background: linear-gradient(135deg, var(--bg-surface), var(--bg-surface-secondary));
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.result-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 0.875rem;
    padding: 1rem;
    text-align: center;
    transition: transform 0.15s ease;
}
.stat-card:hover { transform: translateY(-2px); }

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Card Hover Animations */
.card-hover {
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card-hover:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(99, 102, 241, 0.4);
}

/* FAQ Accordion */
.faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}
.faq-button {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    padding: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
}
.faq-answer {
    margin-top: 0.75rem;
    font-size: 0.925rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Header & Navigation */
.header-glass {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background-color: rgba(248, 250, 252, 0.85);
    border-bottom: 1px solid var(--border-color);
}
.dark .header-glass {
    background-color: rgba(11, 15, 25, 0.85);
}

/* Search Modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 50;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 4rem 1rem;
}

/* Cookie Consent */
.cookie-banner {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    max-width: 420px;
    z-index: 45;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.25rem;
    box-shadow: var(--shadow-xl);
}

/* Table of Contents in Blog */
.toc-container {
    background-color: var(--bg-surface-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.875rem;
    padding: 1.25rem;
    margin-bottom: 2rem;
}
.toc-list {
    list-style: none;
    padding-left: 0;
    margin: 0.5rem 0 0 0;
    font-size: 0.875rem;
}
.toc-list li { margin-bottom: 0.4rem; }
.toc-list li.toc-h3 { padding-left: 1.25rem; }

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-page); }
::-webkit-scrollbar-thumb { background: var(--border-subtle); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }