/**
 * Base Styles & Reset
 * 
 * Foundation styles including CSS reset, base typography, and layout utilities.
 * Must be loaded after design-system.css.
 */

/* ========================================
   CSS RESET & BOX-SIZING
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ========================================
   HTML & BODY
   ======================================== */
html {
    font-size: 16px; /* Base font size for rem calculations */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100vh;
    overflow-x: hidden; /* Prevent horizontal scroll */
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--gray-800);
    background-color: var(--gray-50);
}

/* ========================================
   LAYOUT CONTAINERS
   ======================================== */
.page-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

.content-wrapper {
    flex: 1;
    width: 100%;
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: var(--spacing-5);
}

/* Responsive padding adjustments */
@media (max-width: 768px) {
    .content-wrapper {
        padding: var(--spacing-4);
    }
}

@media (max-width: 576px) {
    .content-wrapper {
        padding: var(--spacing-3);
    }
}

.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
}

.container-fluid {
    width: 100%;
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--spacing-4) 0;
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--primary-color);
}

h1 { 
    font-size: var(--font-size-3xl); 
    font-weight: var(--font-weight-bold);
}

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

h3 { 
    font-size: var(--font-size-xl); 
}

h4 { 
    font-size: var(--font-size-lg); 
}

h5 { 
    font-size: var(--font-size-base); 
}

h6 { 
    font-size: var(--font-size-sm); 
}

/* Responsive typography */
@media (max-width: 768px) {
    h1 { font-size: var(--font-size-2xl); }
    h2 { font-size: var(--font-size-xl); }
    h3 { font-size: var(--font-size-lg); }
}

p {
    margin: 0 0 var(--spacing-4) 0;
}

strong, b {
    font-weight: var(--font-weight-bold);
}

em, i {
    font-style: italic;
}

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

/* ========================================
   LINKS
   ======================================== */
a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition-base);
}

a:hover {
    color: var(--secondary-dark);
    text-decoration: underline;
}

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

a:active {
    color: var(--secondary-dark);
}

/* ========================================
   LISTS
   ======================================== */
ul, ol {
    margin: 0 0 var(--spacing-4) 0;
    padding-left: var(--spacing-5);
}

li {
    margin-bottom: var(--spacing-2);
}

ul.unstyled,
ol.unstyled {
    list-style: none;
    padding-left: 0;
}

/* ========================================
   TABLES
   ======================================== */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 var(--spacing-4) 0;
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

th, td {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

th {
    background: var(--gray-50);
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover {
    background: var(--gray-50);
}

/* Responsive tables */
@media (max-width: 768px) {
    table {
        font-size: var(--font-size-sm);
    }

    th, td {
        padding: var(--spacing-2) var(--spacing-3);
    }
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-3) var(--spacing-5);
    border: var(--border-width) solid transparent;
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-base);
    line-height: var(--line-height-tight);
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

.btn:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

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

.btn-primary:hover {
    background: var(--secondary-dark);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

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

.btn-success:hover {
    background: var(--accent-dark);
}

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

.btn-danger:hover {
    background: var(--danger-dark);
}

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

.btn-warning:hover {
    background: var(--warning-dark);
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-base);
}

/* Button Group */
.btn-group {
    display: inline-flex;
    gap: var(--spacing-2);
}

/* ========================================
   BADGES
   ======================================== */
.badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--border-radius-sm);
}

/* Role-specific badges */
.badge-admin {
    background-color: var(--role-admin);
    color: var(--white);
}

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

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

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

/* Status badges */
.badge-success {
    background-color: var(--accent-color);
    color: var(--white);
}

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

.badge-warning {
    background-color: var(--warning-color);
    color: var(--gray-900);
}

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

/* Badge container for multiple badges */
.role-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    align-items: center;
}

/* ========================================
   ALERTS / FLASH MESSAGES
   ======================================== */
.flash-messages {
    padding: 0 var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.alert {
    padding: var(--spacing-4) var(--spacing-5);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-3);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border: var(--border-width) solid transparent;
}

.alert-success {
    background: rgba(39, 174, 96, 0.1);
    color: var(--accent-dark);
    border-color: rgba(39, 174, 96, 0.2);
}

.alert-error {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger-dark);
    border-color: rgba(231, 76, 60, 0.2);
}

.alert-warning {
    background: rgba(243, 156, 18, 0.1);
    color: var(--warning-dark);
    border-color: rgba(243, 156, 18, 0.2);
}

.alert-info {
    background: rgba(52, 152, 219, 0.1);
    color: var(--secondary-dark);
    border-color: rgba(52, 152, 219, 0.2);
}

/* ========================================
   CARDS
   ======================================== */
.card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: var(--spacing-4);
}

.card-header {
    padding: var(--spacing-4) var(--spacing-5);
    background: var(--gray-50);
    border-bottom: var(--border-width) solid var(--border-color);
    font-weight: var(--font-weight-semibold);
}

.card-body {
    padding: var(--spacing-5);
}

.card-footer {
    padding: var(--spacing-4) var(--spacing-5);
    background: var(--gray-50);
    border-top: var(--border-width) solid var(--border-color);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--white);
    border-top: var(--border-width) solid var(--border-color);
    padding: var(--spacing-6) 0;
    margin-top: auto;
}

.footer-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    text-align: center;
}

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

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

.footer-info p {
    margin: 0;
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

/* Footer Version Badge */
.footer-version {
    display: inline-block;
    font-size: 0.85em;
    color: var(--gray-400);
    margin-left: 0.5rem;
    padding: 0.125rem 0.375rem;
    background-color: var(--gray-100);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-mono, 'Courier New', monospace);
    cursor: help;
    transition: all 0.2s ease;
}

.footer-version::before {
    content: "• ";
    color: var(--gray-300);
}

.footer-version:hover {
    background-color: var(--gray-200);
    color: var(--gray-600);
}

/* Footer Links (already styled in privacy.css) */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-info {
        text-align: center;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

/* Display utilities */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }

/* Flex utilities */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }
.align-start { align-items: flex-start !important; }
.align-center { align-items: center !important; }
.align-end { align-items: flex-end !important; }
.gap-1 { gap: var(--spacing-1) !important; }
.gap-2 { gap: var(--spacing-2) !important; }
.gap-3 { gap: var(--spacing-3) !important; }
.gap-4 { gap: var(--spacing-4) !important; }

/* Text alignment */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

/* Spacing utilities */
.m-0 { margin: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-4 { margin-bottom: var(--spacing-4) !important; }
.p-0 { padding: 0 !important; }
.p-4 { padding: var(--spacing-4) !important; }

/* Width utilities */
.w-100 { width: 100% !important; }
.w-50 { width: 50% !important; }

/* Responsive visibility utilities */
@media (max-width: 768px) {
    .d-md-none { display: none !important; }
}

@media (min-width: 769px) {
    .d-md-block { display: block !important; }
}

/* ========================================
   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(--secondary-color);
    outline-offset: 2px;
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    body {
        background: white;
        color: black;
    }

    .navbar,
    .footer,
    .btn,
    .no-print {
        display: none !important;
    }

    .content-wrapper {
        padding: 0;
    }
}