@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600&family=DM+Mono:wght@400;500&display=swap');

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

:root {
    --bg: #faf8f5;
    --surface: #ffffff;
    --border: #e8e2d9;
    --text: #1a1714;
    --text-muted: #8a8078;
    --accent: #e8621a;
    --accent-light: #fdf0e8;
    --accent-hover: #cf5415;
    --danger: #c0392b;
    --danger-light: #fdf0ee;
    --success: #2d7a4f;
    --success-light: #edf7f2;
    --nav-height: 56px;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    font-size: 15px;
    line-height: 1.6;
}

/* ── LOGIN PAGE ── */
body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}

body.login-page::before {
    content: '';
    position: fixed;
    top: -40%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(232,98,26,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.login-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px 40px;
    width: 100%;
    max-width: 360px;
    box-shadow: var(--shadow);
    text-align: center;
    animation: fadeUp 0.4s ease;
}

.login-box h1 {
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
    color: var(--text);
}

.login-box h1::before {
    content: '🔥 ';
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 32px;
}

.login-box form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.login-box input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-family: 'DM Mono', monospace;
    font-size: 1.1rem;
    letter-spacing: 0.15em;
    text-align: center;
    background: var(--bg);
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.login-box input[type="password"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(232,98,26,0.1);
}

.login-box button[type="submit"] {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.login-box button[type="submit"]:hover {
    background: var(--accent-hover);
}

.login-box button[type="submit"]:active {
    transform: scale(0.98);
}

/* ── NAV ── */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250,248,245,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    padding: 8px 16px;
    gap: 2px;
}

nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 6px;
    transition: color 0.15s, background 0.15s;
    white-space: nowrap;
}

nav a:hover {
    color: var(--text);
    background: var(--border);
}

nav a.active {
    color: var(--accent);
    background: var(--accent-light);
}

nav a.logout {
    margin-left: auto;
    color: var(--text-muted);
}

nav a.logout:hover {
    color: var(--danger);
    background: var(--danger-light);
}

/* ── MAIN CONTENT ── */
main {
    max-width: 680px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

h2 {
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    color: var(--text);
}

/* ── FLASH ── */
.flash {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid rgba(192,57,43,0.2);
    border-radius: var(--radius);
    padding: 10px 14px;
    margin-bottom: 20px;
    font-size: 0.875rem;
}

/* ── CARDS ── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}

/* ── TOPENÍ PAGE ── */
.temp-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.temp-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin-bottom: 10px;
    box-shadow: var(--shadow);
}

.temp-card .label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.temp-card .value {
    font-family: 'DM Mono', monospace;
    font-size: 2rem;
    font-weight: 500;
    color: var(--text);
    letter-spacing: -0.02em;
}

.temp-card .value span {
    font-size: 1rem;
    color: var(--text-muted);
}

.heating-controls {
    display: flex;
    gap: 12px;
}

/* ── BUTTONS ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    background: var(--surface);
    color: var(--text);
    text-decoration: none;
}

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

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

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

.btn-danger {
    background: var(--danger-light);
    border-color: rgba(192,57,43,0.2);
    color: var(--danger);
}

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

.btn-success {
    background: var(--success-light);
    border-color: rgba(45,122,79,0.2);
    color: var(--success);
}

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

/* ── SPOTŘEBA PAGE ── */
.spotreba-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.meter {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    text-align: center;
}

.meter h3 {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.meter .value {
    font-family: 'DM Mono', monospace;
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--text);
}

.meter .unit {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ── PIN DISPLAY ── */
.pin-display {
    background: var(--accent-light);
    border: 1px solid rgba(232,98,26,0.2);
    border-radius: var(--radius);
    padding: 16px 24px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pin-display .pin-label {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
}

.pin-display .pin-value {
    font-family: 'DM Mono', monospace;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.15em;
}

/* ── ADMIN ACTIONS ── */
.admin-actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
    justify-content: center;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

main {
    animation: fadeUp 0.3s ease;
}

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
    .spotreba-grid {
        grid-template-columns: 1fr;
    }

    .temp-display {
        grid-template-columns: 1fr;
    }

    .admin-actions {
        flex-direction: column;
    }

    .admin-actions form {
        width: 100%;
    }

    .admin-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .login-box {
        padding: 36px 24px;
    }

    main {
        padding: 24px 16px 60px;
    }
}



/*- pro klimatizaci -*/

/* do style.css */
.iframe-wrap {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
}

.iframe-wrap iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ── POTVRDIT TLAČÍTKO (topení) ── */
.btn-confirm:disabled {
    opacity: 0.25;
    cursor: default;
    pointer-events: none;
}

.btn-confirm {
    transition: background 0.2s, border-color 0.2s, color 0.2s, opacity 0.2s;
}

.btn.btn-confirm.pending {
    background: var(--success-light);
    border-color: rgba(45,122,79,0.3);
    color: var(--success);
}

.btn.btn-confirm.pending:hover {
    background: #c8e6d4;
    border-color: rgba(45,122,79,0.5);
    color: var(--success);
}

/* ── ERROR MASKA (offline zařízení) ── */
.temp-card {
    position: relative;
}

.error-mask {
    display: none;
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.82);
    border-radius: var(--radius);
    z-index: 10;
    align-items: center;
    justify-content: center;
}

.error-mask.visible {
    display: flex;
}

.error-mask span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--danger);
}


/* ── MODAL ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    max-width: 420px;
    width: calc(100% - 48px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modal-box h3 {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.modal-box p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.modal-box p strong {
    color: var(--text);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
    gap: 12px;
}

.modal-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    cursor: pointer;
}

/* ── NAV HELP TLAČÍTKO ── */
.nav-help {
    font-size: 0.78rem !important;
    padding: 4px 10px !important;
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text-muted) !important;
}

.nav-help:hover {
    color: var(--text) !important;
    background: var(--bg) !important;
    border-color: var(--text-muted);
}

/* ── ADMIN TABULKA ── */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.admin-table th {
    text-align: left;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
}

.admin-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}



.admin-table td + td {
    min-width: 120px;
}

.admin-table td + td + td {
    min-width: 20px;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.name-input {
    width: 100%;
    padding: 6px 10px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    background: var(--bg);
    color: var(--text);
    outline: none;
    transition: border-color 0.2s;
}

.name-input:focus {
    border-color: var(--accent);
}

.action-cell {
    display: flex;
    gap: 8px;
    white-space: nowrap;
}

.btn-save {
    background: var(--accent-light);
    border-color: rgba(232,98,26,0.2);
    color: var(--accent);
    min-width: 64px;
}

.btn-save:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.section-heading {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 12px;
}

/* ── HOSTÉ PAGE ── */
.main-wide {
    max-width: 98%;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

.guest-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 120px;
    gap: 12px;
    align-items: end;
    margin-bottom: 12px;
}

.guest-form-grid.cizinec {
    grid-template-columns: 1fr 1fr 1fr 120px 140px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.form-group input,
.form-group select {
    padding: 8px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    background: var(--bg);
    color: var(--text);
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--accent);
}

.guest-row-flags {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 16px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.guest-row-flags label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.guests-list {
    margin-top: 24px;
}

.guests-list table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.guests-list th {
    text-align: left;
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
}

.guests-list td {
    padding: 10px 10px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.guests-list tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 500;
}

.badge-najemce {
    background: var(--accent-light);
    color: var(--accent);
}

.badge-cizinec {
    background: var(--danger-light);
    color: var(--danger);
}

.badge-dite {
    background: var(--success-light);
    color: var(--success);
}
.guest-row {
    margin-bottom: 24px;
    padding: 18px;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    background: white;
}

.guest-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
}

.form-group {
    margin-bottom: 8px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.85rem;
}

.real-date-green {
    background-color: #d4edda !important;
    font-weight: 600;
    color: #155724;
}


.real-date-blue {
    background-color: #cce5ff !important;
    font-weight: 600;
}