/**
 * ============================================================
 * BASE.CSS – ZÁKLADNÉ ŠTÝLY
 * ============================================================
 * Reset, typografia a základné elementy
 * 
 * @version 1.0.0
 * @author EasyWay Team
 * @license MIT
 * ============================================================
 */

/* ============================================================
 * RESET
 * ============================================================ */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* ============================================================
 * TYPOGRAFIA
 * ============================================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-4) 0;
}

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

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

a {
    color: var(--color-primary-500);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-600);
}

a:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

/* ============================================================
 * ZOZNAMY
 * ============================================================ */

ul, ol {
    margin: 0 0 var(--spacing-4) 0;
    padding-left: var(--spacing-6);
    color: var(--color-text-secondary);
}

ul ul, ol ol {
    margin-bottom: 0;
}

li {
    margin-bottom: var(--spacing-1);
}

/* ============================================================
 * TABUĽKY
 * ============================================================ */

table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-4) 0;
}

th {
    text-align: left;
    font-weight: var(--font-weight-semibold);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border-bottom: 2px solid var(--color-border);
}

td {
    padding: var(--spacing-3) var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

tr:hover {
    background: var(--color-bg-secondary);
}

/* ============================================================
 * FORMULÁRE
 * ============================================================ */

form {
    display: block;
}

label {
    display: block;
    margin-bottom: var(--spacing-1);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

input,
textarea,
select {
    display: block;
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-family: inherit;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    transition: all var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.1);
}

input:disabled,
textarea:disabled,
select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-tertiary);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-4) center;
    padding-right: var(--spacing-8);
}

/* ============================================================
 * TLAČIDLÁ
 * ============================================================ */

button {
    font-family: inherit;
    font-size: var(--font-size-base);
    cursor: pointer;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border: none;
    border-radius: var(--radius-base);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    text-decoration: none;
    cursor: pointer;
}

.btn--primary {
    background: var(--color-primary-500);
    color: #ffffff;
}

.btn--primary:hover {
    background: var(--color-primary-600);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--secondary {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn--secondary:hover {
    background: var(--color-bg-tertiary);
    transform: translateY(-2px);
}

.btn--success {
    background: var(--color-success);
    color: #ffffff;
}

.btn--danger {
    background: var(--color-error);
    color: #ffffff;
}

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

.btn--sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
}

.btn--lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================================
 * OBRÁZKY
 * ============================================================ */

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

figure {
    margin: 0;
}

figcaption {
    margin-top: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* ============================================================
 * CODE
 * ============================================================ */

code {
    font-family: var(--font-family-mono);
    font-size: 0.9em;
    padding: 0.2em 0.4em;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
}

pre {
    padding: var(--spacing-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-base);
    overflow-x: auto;
    margin: var(--spacing-4) 0;
}

pre code {
    padding: 0;
    background: transparent;
    font-size: var(--font-size-sm);
}

/* ============================================================
 * DARK MODE
 * ============================================================ */

@media (prefers-color-scheme: dark) {
    th {
        background: var(--color-bg-tertiary);
    }

    td {
        border-bottom-color: var(--color-border-dark);
    }

    tr:hover {
        background: var(--color-bg-tertiary);
    }

    input,
    textarea,
    select {
        background: var(--color-bg-secondary);
        border-color: var(--color-border-dark);
        color: var(--color-text-dark);
    }

    select {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca3af' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    }

    code {
        background: var(--color-bg-tertiary);
    }

    pre {
        background: var(--color-bg-tertiary);
    }
}

/* ============================================================
 * PRÍSTUPNOSŤ
 * ============================================================ */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (prefers-contrast: high) {
    .btn--primary {
        outline: 2px solid var(--color-primary-700);
    }

    .btn--secondary {
        outline: 2px solid var(--color-text-primary);
    }

    input:focus,
    textarea:focus,
    select:focus {
        outline: 3px solid var(--color-primary-500);
    }
}

/* ============================================================
 * TLAČIAREŇ
 * ============================================================ */

@media print {
    body {
        background: #ffffff;
        color: #000000;
        font-size: 12px;
    }

    a {
        color: #000000;
        text-decoration: underline;
    }

    .no-print {
        display: none !important;
    }

    table {
        page-break-inside: avoid;
    }
}