/* CSS Reset and Base Styles - Based on MyBNA Portal */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Material-UI Inspired (from MyBNA) */
    --primary-color: #2196f3;  /* Material-UI blue */
    --primary-hover: #1976d2;
    --primary-dark: #1565c0;
    --error-color: #FF0C3E;     /* MyBNA red */
    --success-color: #4caf50;   /* Material-UI green */
    --warning-color: #ff9800;   /* Material-UI orange */
    --info-color: #2196f3;

    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Background Colors */
    --bg-paper: #FFF;
    --bg-default: #fafafa;

    /* Text Colors */
    --text-primary: rgba(0, 0, 0, 0.9);
    --text-secondary: rgba(0, 0, 0, 0.6);

    /* Typography - Roboto (from MyBNA) */
    --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.5;

    /* Spacing (Material-UI spacing function equivalent: spacing(n) = n * 8px) */
    --spacing-1: 8px;
    --spacing-2: 16px;
    --spacing-3: 24px;
    --spacing-4: 32px;
    --spacing-5: 40px;
    --spacing-6: 48px;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

html {
    box-sizing: border-box;
    font-size: 16px;
    font-family: var(--font-family);
}

html,
body {
    height: 100%;
}

*,
*:before,
*:after {
    box-sizing: inherit;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-primary);
    background-color: var(--bg-default);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ol,
ul {
    margin: 0;
    padding: 0;
    font-weight: normal;
}

ol,
ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
}

#root,
#app-container {
    height: 100%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-1);
    padding: 10px 20px;
    font-size: 0.9375rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    text-decoration: none;
    font-family: var(--font-family);
}

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

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

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

.btn-primary:disabled {
    background-color: var(--gray-400);
    cursor: not-allowed;
    opacity: 0.5;
    filter: grayscale(30%);
}

/* General disabled button styling */
.btn:disabled,
button:disabled {
    cursor: not-allowed !important;
    opacity: 0.5;
    filter: grayscale(30%);
}

/* Alert Messages */
.alert {
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-3);
    font-size: 0.875rem;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* Loading Indicators */
.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator {
    display: inline-block;
}

.htmx-request.htmx-indicator {
    display: block;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-small {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid white;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* HTMX Request Animations */
.htmx-swapping {
    opacity: 0;
    transition: opacity var(--transition-base);
}

.htmx-settling {
    opacity: 1;
    transition: opacity var(--transition-base);
}

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

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}