/* -----------------------------------------------------------
   1. DEFINICE PROMĚNNÝCH PRO BARVY (THEMING)
   ----------------------------------------------------------- */
:root {
    /* Light Mode (default) */
    --bg-body: #F3F4F6;
    --bg-card: #FFFFFF;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --primary: #4F46E5;
    /* Indigo 600 */
    --primary-hover: #4338CA;
    /* Indigo 700 */
    --accent: #10B981;
    /* Green 500 */
    --danger: #EF4444;
    /* Red 500 */
    --warning: #F59E0B;
    /* Amber 500 */
    --border: #E5E7EB;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    --font-main: 'Inter', sans-serif;
    --radius: 12px;
}

/* Dark Mode přepsání barev */
[data-theme="dark"] {
    --bg-body: #111827;
    /* Gray 900 */
    --bg-card: #1F2937;
    /* Gray 800 */
    --text-primary: #F9FAFB;
    /* Gray 50 */
    --text-secondary: #9CA3AF;
    /* Gray 400 */
    --primary: #6366F1;
    /* Indigo 500 */
    --primary-hover: #818CF8;
    --border: #374151;
    /* Gray 700 */
}

/* GLOBAL RESET */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.5;
    transition: background-color 0.3s, color 0.3s;
    font-size: 14px;
    /* Základní velikost */
}

/* -----------------------------------------------------------
   2. TOP NAVIGACE
   ----------------------------------------------------------- */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-card);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
}

.logo small {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-left: 0.3rem;
    border: 1px solid var(--border);
    padding: 2px 6px;
    border-radius: 4px;
}

.top-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Tlačítka */
button {
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
    border: none;
}

.btn-icon {
    background: transparent;
    font-size: 1.25rem;
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: 50%;
}

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

.btn-primary {
    background-color: var(--primary);
    color: white;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    font-weight: 600;
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.2);
}

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

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-weight: 500;
}

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

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

.btn-ghost:hover {
    color: var(--danger);
    text-decoration: underline;
}

/* -----------------------------------------------------------
   3. LAYOUT A MŘÍŽKA
   ----------------------------------------------------------- */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Dashboard Grid - 3 karty vedle sebe (desktop) */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* Main Grid - Sidebar (Formulář) + Content (Seznam) */
.main-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    /* Pevná šířka pro formulář, zbytek seznam */
    gap: 1.5rem;
    align-items: start;
}

/* Karta */
.card {
    background-color: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

/* -----------------------------------------------------------
   4. BUDGET & STATS
   ----------------------------------------------------------- */
.budget-info {
    font-size: 1.25rem;
    margin: 1rem 0 0.5rem 0;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.spent-value {
    font-weight: 700;
    color: var(--text-primary);
}

.limit-value {
    color: var(--text-secondary);
    font-size: 1rem;
}

.budget-separator {
    color: var(--border);
}

.progress-bar-container {
    height: 8px;
    background-color: var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary);
    transition: width 0.5s ease, background-color 0.3s;
}

/* Barvy progress baru podle zaplnění */
.progress-bar.warning {
    background-color: var(--warning);
}

.progress-bar.danger {
    background-color: var(--danger);
}

.budget-status {
    font-size: 0.85rem;
    text-align: right;
    color: var(--text-secondary);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--border);
}

.stat-row:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.stat-row i {
    color: var(--primary);
    margin-right: 0.5rem;
    width: 16px;
}

.chart-container {
    position: relative;
    height: 200px;
    /* Fixní výška pro grafy */
    width: 100%;
}

/* -----------------------------------------------------------
   5. FORMULÁŘE
   ----------------------------------------------------------- */
.form-card h2 {
    margin-bottom: 1.25rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.currency-suffix {
    position: absolute;
    right: 1rem;
    color: var(--text-secondary);
    pointer-events: none;
}

input[type="text"],
input[type="number"],
input[type="date"],
select {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-body);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border 0.2s;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    background-color: var(--bg-card);
}

.hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    display: block;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input {
    width: auto;
    margin: 0;
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
}

/* -----------------------------------------------------------
   6. FILTRY A SEZNAM
   ----------------------------------------------------------- */
.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
    padding: 1rem !important;
    /* Menší padding */
}

.search-box {
    flex: 2;
    position: relative;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-box input {
    padding-left: 2.5rem;
}

.filter-controls {
    flex: 3;
    display: flex;
    gap: 0.5rem;
}

.expense-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-card);
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
    animation: slideIn 0.3s ease;
}

.expense-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    border-color: var(--primary);
}

/* Indikátor kategorie (barevný pruh vlevo) */
.item-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.category-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-body);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.item-details h4 {
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.item-details small {
    color: var(--text-secondary);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.recurring-badge {
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--primary);
    font-size: 0.7rem;
    padding: 1px 5px;
    border-radius: 4px;
}

.item-right {
    text-align: right;
}

.item-amount {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    display: block;
}

.item-actions {
    margin-top: 0.3rem;
    opacity: 0;
    /* Zobrazit až po najetí myší */
    transition: opacity 0.2s;
}

.expense-item:hover .item-actions {
    opacity: 1;
}

.action-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0.2rem;
    color: var(--text-secondary);
    margin-left: 0.5rem;
}

.action-btn:hover {
    color: var(--primary);
}

.action-btn.delete:hover {
    color: var(--danger);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* -----------------------------------------------------------
   7. MODÁLNÍ OKNO
   ----------------------------------------------------------- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.hidden {
    display: none;
}

.modal-content {
    background-color: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius);
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-section {
    margin-bottom: 1.5rem;
}

.modal-section h3 {
    margin-bottom: 1rem;
    cursor: default;
    font-weight: 600;
    font-size: 1rem;
    color: var(--primary);
}

.input-group {
    display: flex;
    gap: 0.5rem;
}

.data-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.file-upload {
    display: inline-block;
    text-align: center;
    cursor: pointer;
    position: relative;
}

.file-upload input {
    display: none;
}

.warning-text {
    color: var(--warning);
    font-size: 0.85rem;
    margin-top: 1rem;
}

/* -----------------------------------------------------------
   8. TOAST NOTIFIKACE
   ----------------------------------------------------------- */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--text-primary);
    color: var(--bg-card);
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 200;
    animation: fadeInUp 0.3s;
}

.toast.hidden {
    display: none;
}

/* -----------------------------------------------------------
   9. BREAKPOINTS (RESPONZIVITA)
   ----------------------------------------------------------- */
@keyframes slideIn {
    from {
        transform: translateY(10px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@media (max-width: 900px) {
    .main-grid {
        grid-template-columns: 1fr;
        /* Na menších displejích pod sebe */
    }

    .sidebar {
        order: 1;
        /* Formulář první */
    }

    .content-list {
        order: 2;
    }

    .expense-item .item-actions {
        opacity: 1;
    }

    /* Na mobilu actions vidět rovnou */
}

@media (max-width: 600px) {
    .filters-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-controls {
        flex-direction: column;
    }

    .top-bar {
        padding: 1rem;
    }
}