/* ============================================
   Dolist - Main Styles
   Mobile-first approach
   ============================================ */

@import url('variables.css');

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ============================================
   Reset & Base
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
}

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

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

a {
    color: var(--color-primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}



/* Lists */
ul, ol {
    padding-left: var(--spacing-6);
}

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

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   Layout
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.page-content {
    flex: 1;
    padding: var(--spacing-4);
}

/* App layout with sidebar */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    max-width: var(--sidebar-width);
    height: 100vh;
    background: var(--color-background);
    border-right: 1px solid var(--color-border);
    z-index: var(--z-fixed);
    transition: left var(--transition-normal);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.app-sidebar.open {
    left: 0;
}

.app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.app-header {
    position: sticky;
    top: 0;
    height: var(--header-height-mobile);
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-4);
    z-index: var(--z-sticky);
}

.app-body {
    flex: 1;
    padding: var(--spacing-4);
    background: var(--color-background-secondary);
}

.app-footer {
    padding: var(--spacing-3) var(--spacing-4);
    border-top: 1px solid var(--color-border);
    background: var(--color-background);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-align: center;
}

.app-footer-link {
    color: var(--color-text-secondary);
    text-decoration: none;
}

.app-footer-link:hover {
    color: var(--color-primary-600);
}

.app-footer-sep {
    margin: 0 var(--spacing-2);
    color: var(--color-border);
}

/* Sidebar overlay */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-fixed) - 1);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.sidebar-overlay.visible {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Header
   ============================================ */
.header-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-text);
}

.header-menu-btn:hover {
    background: var(--color-gray-100);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-left: var(--spacing-3);
    text-decoration: none;
    color: inherit;
}

.header-logo:hover {
    opacity: 0.9;
}

.header-logo img,
.header-logo-img {
    height: 32px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
}

.header-logo-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-600);
}

.header-spacer {
    flex: 1;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.header-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.header-user:hover {
    background: var(--color-gray-100);
}

.header-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--color-primary-100);
    color: var(--color-primary-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}

/* ============================================
   Sidebar Navigation
   ============================================ */
.sidebar-header {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-text-secondary);
}

.sidebar-close:hover {
    background: var(--color-gray-100);
}

.sidebar-nav {
    padding: var(--spacing-4);
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.nav-section {
    margin-bottom: var(--spacing-6);
}

.nav-section-title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    padding: 0 var(--spacing-3);
    margin-bottom: var(--spacing-2);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-link:hover {
    background: var(--color-gray-100);
    color: var(--color-text);
    text-decoration: none;
}

.nav-link.active {
    background: var(--color-primary-50);
    color: var(--color-primary-700);
}

.nav-link svg,
.nav-link .nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-badge {
    margin-left: auto;
    padding: 2px 8px;
    background: var(--color-error-500);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
}

/* Logout section at bottom of sidebar */
.nav-section-logout {
    margin-top: auto;
    margin-bottom: 0;
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-border);
}

.nav-link-logout {
    color: var(--color-text-secondary);
}

.nav-link-logout:hover {
    background: var(--color-error-50);
    color: var(--color-error-600);
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--color-background);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

.card-body {
    padding: var(--spacing-4);
}

.card-footer {
    padding: var(--spacing-4);
    border-top: 1px solid var(--color-border);
    background: var(--color-gray-50);
}

/* ============================================
   Utilities
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }
.text-primary { color: var(--color-primary-600); }
.text-success { color: var(--color-success-600); }
.text-warning { color: var(--color-warning-600); }
.text-error { color: var(--color-error-600); }

.font-mono { font-family: var(--font-family-mono); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }

.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Flexbox utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-1); }
.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }

/* Grid */
.grid {
    display: grid;
    gap: var(--spacing-4);
}

.grid-cols-2 {
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   Responsive - Mobile
   ============================================ */
@media (max-width: 767px) {
    .card-header {
        flex-wrap: wrap;
        gap: var(--spacing-2);
    }
    
    .card-header .flex {
        flex-wrap: wrap;
    }

    /* Sidebar na mobilu – zajištění scrollu a viditelnosti posledních položek */
    .app-sidebar {
        padding-bottom: env(safe-area-inset-bottom, 0px);
        -webkit-overflow-scrolling: touch;
    }

    .sidebar-nav {
        padding-bottom: calc(var(--spacing-6) + env(safe-area-inset-bottom, 0px));
    }
}

/* ============================================
   Responsive - Tablet and up
   ============================================ */
@media (min-width: 768px) {
    .app-header {
        height: var(--header-height);
        padding: 0 var(--spacing-6);
    }

    .app-body {
        padding: var(--spacing-6);
    }

    .app-sidebar {
        position: sticky;
        left: 0;
        width: var(--sidebar-width);
        max-width: var(--sidebar-width);
    }

    .header-menu-btn {
        display: none;
    }

    .sidebar-close {
        display: none;
    }

    .sidebar-overlay {
        display: none;
    }

    h1 { font-size: var(--font-size-4xl); }
    h2 { font-size: var(--font-size-3xl); }

    .container {
        padding: 0 var(--spacing-6);
    }
}

/* ============================================
   Responsive - Desktop
   ============================================ */
@media (min-width: 1024px) {
    .grid-cols-3-lg {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid-cols-4-lg {
        grid-template-columns: repeat(4, 1fr);
    }
}