/**
 * AquaFlow Design System - Global Styles
 * Generated by BMAD Design System Generator v1.0
 * Source: ux-design-specification.md
 * Generated: 2025-12-25T12:44:30+08:00
 * 
 * Usage: Import after theme.css
 * @import './theme.css';
 * @import './globals.css';
 */

/* ============================================
   CSS Reset & Box Sizing
   ============================================ */

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

/* ============================================
   Font Import (Inter from Google Fonts)
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ============================================
   Base HTML Elements
   ============================================ */

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

body {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    min-height: 100vh;
}

/* ============================================
   Typography
   ============================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
}

h2 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-snug);
}

h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-snug);
}

p {
    margin-bottom: var(--space-4);
}

small {
    font-size: var(--font-size-sm);
}

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

/* ============================================
   Links
   ============================================ */

a {
    color: var(--color-primary-500);
    text-decoration: none;
    transition: color var(--duration-fast) var(--easing-default);
}

a:hover {
    color: var(--color-primary-700);
    text-decoration: underline;
}

a:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
    border-radius: var(--radius-sm);
}

/* ============================================
   Buttons (Base)
   ============================================ */

button,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);

    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: 1;

    padding: var(--space-2) var(--space-4);
    min-height: 44px;
    min-width: 44px;

    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;

    transition:
        background-color var(--duration-fast) var(--easing-default),
        transform var(--duration-fast) var(--easing-default),
        box-shadow var(--duration-fast) var(--easing-default);
}

button:focus-visible,
.btn:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
}

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

button:disabled,
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Button Variants */
.btn-primary {
    background-color: var(--color-primary-500);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-700);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary-500);
    border: 1px solid var(--color-primary-500);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-primary-50);
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--color-neutral-100);
}

.btn-danger {
    background-color: var(--color-error-500);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--color-error-700);
}

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

input,
textarea,
select {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);

    padding: var(--space-2) var(--space-3);
    min-height: 44px;

    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);

    transition:
        border-color var(--duration-fast) var(--easing-default),
        box-shadow var(--duration-fast) var(--easing-default);
}

input:hover,
textarea:hover,
select:hover {
    border-color: var(--border-hover);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

input:disabled,
textarea:disabled,
select:disabled {
    background-color: var(--color-neutral-100);
    cursor: not-allowed;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

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

.card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-4);

    transition:
        box-shadow var(--duration-fast) var(--easing-default),
        transform var(--duration-fast) var(--easing-default);
}

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

.card-interactive:hover {
    transform: translateY(-2px);
    cursor: pointer;
}

/* ============================================
   Utilities
   ============================================ */

/* Focus visible utility */
.focus-visible:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: var(--focus-ring-offset);
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    z-index: 9999;
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-primary-500);
    color: white;
    text-decoration: none;
}

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

/* Truncation */
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================
   Layout
   ============================================ */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* ============================================
   Responsive Breakpoints
   ============================================ */

/* Mobile first - base styles are for mobile */

/* Tablet and up */
@media (min-width: 768px) {
    h1 {
        font-size: calc(var(--font-size-2xl) * 1.25);
    }

    h2 {
        font-size: calc(var(--font-size-xl) * 1.1);
    }
}

/* Desktop and up */
@media (min-width: 1024px) {
    .container {
        padding: 0 var(--space-6);
    }
}