/* ========================================
   SlipperyTalk CMS - Main Stylesheet
   ======================================== */

/* Design Tokens - Color Palette */
:root {
    /* Background Colors */
    --color-bg-primary: #0d0a10;
    --color-bg-secondary: #151019;
    --color-bg-tertiary: #1b1520;
    --color-bg-hover: #261d2d;
    --color-bg-input: #110d15;
    
    /* Text Colors */
    --color-text-primary: #f5eef7;
    --color-text-secondary: #9e91a5;
    --color-text-muted: #6f6476;
    
    /* Border & Accent */
    --color-border: #302637;
    --color-border-light: #241d2a;
    --color-border-input: #352b3d;
    
    /* Brand Colors */
    --color-pink: #e9a8c6;
    --color-green: #79d6ad;
    --color-yellow: #e7c477;
    --color-red: #e47e8f;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-xs: 10px;
    --font-size-sm: 11px;
    --font-size-base: 14px;
    --font-size-md: 15px;
    --font-size-lg: 19px;
    --font-size-xl: 25px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 22px;
    --spacing-2xl: 28px;
    --spacing-3xl: 34px;
    
    /* Border Radius */
    --radius-sm: 5px;
    --radius-md: 7px;
    --radius-lg: 8px;
    --radius-xl: 9px;
    --radius-full: 20px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    
    /* Z-index Stack */
    --z-sidebar: 100;
    --z-modal: 1000;
    --z-dropdown: 500;
}

/* ========================================
   Global Styles
   ======================================== */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.app {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 245px;
    background-color: #110d15;
    border-right: 1px solid var(--color-border);
    padding: var(--spacing-xl) var(--spacing-md);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: var(--z-sidebar);
}

.logo {
    font-size: var(--font-size-lg);
    font-weight: 800;
    padding: 0 var(--spacing-md) var(--spacing-2xl);
    letter-spacing: -0.5px;
}

.logo .logo-accent {
    color: var(--color-pink);
}

.logo .logo-subtitle {
    display: block;
    font-size: var(--font-size-xs);
    color: #766a7d;
    font-weight: 400;
    margin-top: 2px;
}

/* Mobile Navigation Toggle (hidden on desktop, shown in responsive.css) */
.mobile-nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    width: 40px;
    height: 40px;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    z-index: calc(var(--z-sidebar) + 20);
}

.mobile-nav-toggle:hover {
    background-color: var(--color-bg-hover);
}

/* Main Content */
.main-content {
    margin-left: 245px;
    width: calc(100% - 245px);
    padding: var(--spacing-2xl) var(--spacing-3xl);
    min-height: 100vh;
}

/* ========================================
   Navigation Styles
   ======================================== */

.nav-main {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.nav-section {
    display: flex;
    flex-direction: column;
}

.nav-section-title {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-sm);
    margin: 0;
    font-weight: 600;
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md);
    background: none;
    border: none;
    border-left: 3px solid transparent;
    color: #a99eaf;
    font-size: var(--font-size-base);
    text-decoration: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.2s ease;
}

.nav-link:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.nav-link.active {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
    border-left-color: var(--color-pink);
    font-weight: 500;
}

.nav-icon {
    display: inline-block;
    width: 18px;
    text-align: center;
}

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

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: 600;
}

h1 {
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
}

h2 {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
}

h3 {
    font-size: var(--font-size-md);
    color: var(--color-text-primary);
}

p {
    margin: 0;
    line-height: 1.6;
}

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

/* ========================================
   Utilities & Helpers
   ======================================== */

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.page-title {
    flex: 1;
}

.page-title h1 {
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.page-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    align-items: center;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-pink);
    color: #251521;
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    border-radius: var(--radius-lg);
    z-index: 999;
}

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

/* Focus Visible for Keyboard Navigation */
:focus-visible {
    outline: 2px solid var(--color-pink);
    outline-offset: 2px;
    border-radius: var(--radius-lg);
}

/* Clearfix */
.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

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

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

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Display Utilities */
.hidden { display: none !important; }
.visible { display: block !important; }

/* Margin & Padding Utilities */
.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.p-0 { padding: 0; }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }