/* ===================================
   CalmDesk - Railway Lounge Aesthetic
   Vintage train travel meets modern minimalism
   =================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&display=swap');

/* CSS Custom Properties */
:root {
    /* Railway Lounge Color Palette */
    --bg-deep: #0d0b09;
    --bg-warm: #13100d;
    --widget-bg: rgba(25, 20, 16, 0.75);
    --widget-bg-hover: rgba(35, 28, 22, 0.85);
    --widget-border: rgba(205, 165, 100, 0.15);
    --widget-border-hover: rgba(205, 165, 100, 0.35);

    /* Accent Colors - Warm Copper & Amber */
    --copper: #d4a574;
    --copper-bright: #e8c49a;
    --copper-dim: #a67c52;
    --amber: #f5a623;
    --amber-glow: rgba(245, 166, 35, 0.15);
    --gold: #c9a227;

    /* Supporting Colors */
    --cream: #f4efe8;
    --cream-dim: #c9c4bc;
    --smoke: #8a8279;
    --charcoal: #3d3830;
    --forest: #4a6741;
    --rust: #a85d3c;

    /* Semantic Colors */
    --success: #7dad71;
    --warning: #d4a574;
    --error: #c45c4a;
    --primary: var(--copper);
    --text-primary: var(--cream);
    --text-secondary: var(--smoke);

    /* Spacing System */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Widget Styling */
    --widget-padding: 24px;
    --widget-border-radius: 4px;
    --widget-shadow: 0 4px 24px rgba(0, 0, 0, 0.4),
                     0 1px 2px rgba(0, 0, 0, 0.2),
                     inset 0 1px 0 rgba(205, 165, 100, 0.05);

    /* Typography */
    --font-display: 'Cormorant Garamond', 'Libre Baskerville', Georgia, serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, monospace;
    --font-body: 'Libre Baskerville', Georgia, serif;

    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    --font-size-display: 56px;

    /* Animation */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    letter-spacing: 0.01em;
}

/* Subtle noise texture overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.025;
    pointer-events: none;
    z-index: 9999;
}

/* Main App Container */
.app-container {
    position: relative;
    z-index: 1;
    padding: var(--spacing-xl);
    min-height: 100vh;
}

/* Widget Dashboard - CSS Grid Layout */
.widget-dashboard {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    max-width: 1600px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out;
}

/* Layout Modes */
/* Left aligned - widgets start from left */
.widget-dashboard.layout-left {
    justify-items: start;
    margin-left: 0 !important;
    margin-right: auto !important;
    max-width: none;
    width: fit-content;
    grid-template-columns: repeat(auto-fit, minmax(300px, max-content));
}

.app-container[data-layout="left"] {
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
}

.app-container[data-layout="left"] .widget-dashboard {
    margin-left: 0 !important;
    margin-right: auto !important;
}

/* Right aligned - widgets start from right */
.widget-dashboard.layout-right {
    justify-items: end;
    margin-left: auto !important;
    margin-right: 0 !important;
    max-width: none;
    width: fit-content;
    grid-template-columns: repeat(auto-fit, minmax(300px, max-content));
}

.app-container[data-layout="right"] {
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
}

.app-container[data-layout="right"] .widget-dashboard {
    margin-left: auto !important;
    margin-right: 0 !important;
}

/* Top aligned - widgets at top of page */
.widget-dashboard.layout-top {
    align-content: start;
    min-height: auto;
    margin-top: 0 !important;
    margin-bottom: auto !important;
}

.app-container[data-layout="top"] {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: var(--spacing-xl);
    padding-bottom: 0;
}

.app-container[data-layout="top"] .widget-dashboard {
    margin-top: 0 !important;
    margin-bottom: auto !important;
}

/* Bottom aligned - widgets at bottom of page */
.widget-dashboard.layout-bottom {
    align-content: end;
    min-height: calc(100vh - var(--spacing-xl) * 2);
    margin-top: auto !important;
    margin-bottom: 0 !important;
}

.app-container[data-layout="bottom"] {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    min-height: 100vh;
    padding-top: 0;
    padding-bottom: var(--spacing-xl);
}

.app-container[data-layout="bottom"] .widget-dashboard {
    margin-top: auto !important;
    margin-bottom: 0 !important;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered widget entry */
.widget-dashboard > .widget:nth-child(1) { animation-delay: 0.1s; }
.widget-dashboard > .widget:nth-child(2) { animation-delay: 0.2s; }
.widget-dashboard > .widget:nth-child(3) { animation-delay: 0.3s; }
.widget-dashboard > .widget:nth-child(4) { animation-delay: 0.4s; }

/* Responsive Breakpoints */
@media (min-width: 1025px) {
    .widget-dashboard:not(.layout-left):not(.layout-right) {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .widget-dashboard.layout-left,
    .widget-dashboard.layout-right {
        grid-template-columns: repeat(auto-fit, minmax(300px, max-content));
    }
}

@media (max-width: 1024px) and (min-width: 768px) {
    .app-container {
        padding: var(--spacing-lg);
    }

    .widget-dashboard:not(.layout-left):not(.layout-right) {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .widget-dashboard.layout-left,
    .widget-dashboard.layout-right {
        grid-template-columns: repeat(auto-fit, minmax(280px, max-content));
    }
}

@media (max-width: 767px) {
    .app-container {
        padding: var(--spacing-md);
    }

    .widget-dashboard {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    #video-container {
        display: none;
    }
}

/* Button Styles */
.btn {
    padding: var(--btn-padding, 8px 20px);
    border: 1px solid transparent;
    border-radius: var(--btn-radius, 10px);
    cursor: pointer;
    font-family: var(--font-sans, 'Inter', sans-serif);
    font-size: var(--btn-font-size, 12px);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
    outline: none;
    position: relative;
    overflow: hidden;
}

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

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

.btn-primary {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border-color: var(--btn-primary-border);
}

.btn-primary:hover {
    background: var(--btn-primary-hover-bg);
    box-shadow: var(--accent-glow);
}

.btn-secondary {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border-color: var(--btn-secondary-border);
}

.btn-secondary:hover {
    background: var(--btn-secondary-hover-bg);
    color: var(--text-primary);
}

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

.btn-tertiary:hover {
    color: var(--text-primary);
    background: var(--input-bg);
}

/* Form Elements */
input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--btn-radius, 10px);
    color: var(--text-primary);
    font-family: var(--font-sans, 'Inter', sans-serif);
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
}

input:focus,
textarea:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-secondary);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track, rgba(0, 0, 0, 0.2));
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb, rgba(255, 255, 255, 0.2));
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Accessibility */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Hidden Class */
.hidden {
    display: none !important;
}

/* Selection Styling */
::selection {
    background: var(--accent);
    color: #000;
}

/* ================================
   KEYBOARD SHORTCUTS GUIDE
   ================================ */
.shortcuts-guide {
    position: fixed;
    bottom: 100px;
    left: 24px;
    background: var(--widget-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--widget-border);
    border-radius: var(--widget-border-radius);
    padding: 20px;
    z-index: 900;
    box-shadow: var(--widget-shadow);
    min-width: 260px;
    animation: shortcutsSlideIn 0.3s ease-out;
}

@keyframes shortcutsSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.shortcuts-guide.hidden {
    display: none;
}

/* Decorative track line */
.shortcuts-guide::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 16px;
    right: 16px;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        var(--copper-dim) 50%,
        transparent
    );
    opacity: 0.4;
}

.shortcuts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    padding-top: 6px;
    border-bottom: 1px solid var(--widget-border);
    position: relative;
}

/* Corner accents */
.shortcuts-header::before,
.shortcuts-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    width: 6px;
    height: 6px;
    border-bottom: 1px solid var(--copper-dim);
}

.shortcuts-header::before {
    left: 0;
    border-left: 1px solid var(--copper-dim);
}

.shortcuts-header::after {
    right: 0;
    border-right: 1px solid var(--copper-dim);
}

.shortcuts-header h3 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 500;
    color: var(--cream);
    letter-spacing: 0.02em;
}

.shortcuts-close {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--smoke);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.6;
}

.shortcuts-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.shortcut-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 8px 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 2px;
    position: relative;
}

/* Left accent bar */
.shortcut-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 2px;
    background: var(--charcoal);
}

.shortcut-item kbd {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--copper);
    background: rgba(212, 165, 116, 0.1);
    border: 1px solid rgba(212, 165, 116, 0.2);
    padding: 4px 8px;
    border-radius: 2px;
    min-width: 60px;
    text-align: center;
}

.shortcut-item span {
    font-family: var(--font-body);
    font-size: 12px;
    color: var(--cream-dim);
}

/* Mobile: hide shortcuts guide */
@media (max-width: 767px) {
    .shortcuts-guide {
        display: none !important;
    }
}