/* ============================================
   PREDIKTOR PRODEJŮ - CSS Reset & Base Styles
   ============================================ */

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

/* Import Satoshi (display font) from CDN */
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@400,500,700&display=swap');

/* Modern CSS Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    min-height: 100vh;
}

img, picture, video, canvas {
    display: block;
    max-width: 100%;
}

/* SVG icons - inline, don't expand */
svg {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

/* SVG icons default size when not explicitly set */
svg:not([width]):not([class]) {
    width: 1em;
    height: 1em;
}

input, button, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

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

ul, ol {
    list-style: none;
}

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

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

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
    color: var(--text-secondary);
}

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

/* Selection */
::selection {
    background-color: var(--color-primary-100);
    color: var(--color-primary-900);
}

/* Focus Visible */
:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--color-slate-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-slate-400);
}

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

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Animation Classes */
.animate-fade-in {
    animation: fadeIn var(--transition-base) ease-out forwards;
}

.animate-fade-in-up {
    animation: fadeInUp var(--transition-slow) ease-out forwards;
}

.animate-fade-in-down {
    animation: fadeInDown var(--transition-slow) ease-out forwards;
}

.animate-slide-in-left {
    animation: slideInLeft var(--transition-slow) ease-out forwards;
}

.animate-slide-in-right {
    animation: slideInRight var(--transition-slow) ease-out forwards;
}

.animate-scale-in {
    animation: scaleIn var(--transition-base) ease-out forwards;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Staggered animation delays */
.stagger-1 { animation-delay: 50ms; }
.stagger-2 { animation-delay: 100ms; }
.stagger-3 { animation-delay: 150ms; }
.stagger-4 { animation-delay: 200ms; }
.stagger-5 { animation-delay: 250ms; }
.stagger-6 { animation-delay: 300ms; }

/* ----------------------------------------
   MOBILE GLOBAL UTILITIES
   ---------------------------------------- */

/* Prevent horizontal overflow */
html, body {
    overflow-x: hidden;
    max-width: 100vw;
}

/* Mobile touch target sizes */
@media (max-width: 768px) {
    button, a, input, select, textarea {
        min-height: 44px;
    }

    /* Reduce motion for performance */
    @media (prefers-reduced-motion: reduce) {
        *, *::before, *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }
    }
}

/* Hide on mobile */
@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
}

/* Hide on desktop */
@media (min-width: 769px) {
    .hide-desktop {
        display: none !important;
    }
}

/* Full bleed on mobile (for cards) */
@media (max-width: 768px) {
    .mobile-full-bleed {
        margin-left: calc(-1 * var(--space-3));
        margin-right: calc(-1 * var(--space-3));
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
}