/* ── Reset & variables ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:           #0f1117;
    --surface:      #1a1d27;
    --surface2:     #23273a;
    --border:       #2e3347;
    --accent:       #4a9eff;
    --accent-dark:  #2d6fd4;
    --text:         #e8eaf0;
    --text-muted:   #8890a8;
    --warn:         #ffb347;
    --danger:       #ff5f57;
    --success:      #4cde80;
    --radius:       12px;
    --radius-sm:    8px;
    --shadow:       0 4px 24px rgba(0,0,0,0.35);
    --font-body:    'Inter', system-ui, sans-serif;
    --font-display: 'Cinzel', Georgia, serif;
    --transition:   0.2s ease;
}

/* Style overrides */
[data-style="medieval"]    { --accent: #c9a227; --accent-dark: #9a7a1a; }
[data-style="twenties"]    { --accent: #d4913a; --accent-dark: #a06820; }
[data-style="contemporary"]{ --accent: #4a9eff; --accent-dark: #2d6fd4; }
[data-style="futuristic"]  { --accent: #00e5ff; --accent-dark: #00a8bf; }

/* ── Base ─────────────────────────────────────────────────────────────────── */
html { font-size: 16px; scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ───────────────────────────────────────────────────────────────── */
#app {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 16px 48px;
}

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

/* ── Header ───────────────────────────────────────────────────────────────── */
header {
    padding: 16px 0 14px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 28px;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-img {
    height: 68px;
    width:  68px;
    object-fit: contain;
    border-radius: 10px;
    flex-shrink: 0;
}

.logo-text-block {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.45rem;
    color: var(--accent);
    letter-spacing: 0.04em;
    line-height: 1.1;
}

.logo-sub {
    font-size: 0.76rem;
    color: var(--text-muted);
    font-style: italic;
}

.lang-toggle {
    display: flex;
    gap: 4px;
    background: var(--surface2);
    padding: 3px;
    border-radius: var(--radius-sm);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 10px;
    border-radius: 6px;
    transition: var(--transition);
    letter-spacing: 0.05em;
}

.lang-btn.active {
    background: var(--accent);
    color: #fff;
}

/* ── Input panel ──────────────────────────────────────────────────────────── */
.input-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.full-width { grid-column: 1 / -1; }

.field-group { display: flex; flex-direction: column; gap: 8px; }

label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

input[type="text"] {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 10px 14px;
    outline: none;
    transition: border-color var(--transition);
    width: 100%;
}

input[type="text"]:focus {
    border-color: var(--accent);
}

/* ── Autocomplete ─────────────────────────────────────────────────────────── */
.autocomplete-wrapper { position: relative; }

.autocomplete-list {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    list-style: none;
    z-index: 100;
    overflow: hidden;
    box-shadow: var(--shadow);
    max-height: 260px;
    overflow-y: auto;
}

.autocomplete-list li {
    padding: 10px 14px;
    cursor: pointer;
    font-size: 0.92rem;
    transition: background var(--transition);
}

.autocomplete-list li:hover { background: var(--border); }
.ac-no-results { color: var(--text-muted); cursor: default !important; }

/* ── Date input with calendar icon ───────────────────────────────────────── */
.date-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.date-input-wrapper input {
    padding-right: 40px;
    cursor: pointer;
}

.date-cal-icon {
    position: absolute;
    right: 10px;
    font-size: 1.1rem;
    cursor: pointer;
    user-select: none;
    opacity: 0.7;
    transition: opacity var(--transition);
}

.date-cal-icon:hover { opacity: 1; }

/* Flatpickr anchor — invisible, zero-size, sits at bottom of wrapper */
#fp-anchor {
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 0;
    opacity: 0;
    pointer-events: none;
    border: none;
    padding: 0;
}

/* ── Flatpickr theme override ─────────────────────────────────────────────── */
.flatpickr-calendar {
    background: var(--surface2) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow) !important;
    color: var(--text) !important;
    font-family: var(--font-body) !important;
}

.flatpickr-months {
    background: var(--surface) !important;
    border-radius: var(--radius) var(--radius) 0 0 !important;
    padding: 6px 0 !important;
}

.flatpickr-month,
.flatpickr-current-month,
.flatpickr-monthDropdown-months {
    color: var(--text) !important;
    fill: var(--text) !important;
    background: transparent !important;
}

.flatpickr-monthDropdown-months,
.numInput {
    background: var(--surface2) !important;
    color: var(--text) !important;
    border: 1px solid var(--border) !important;
    border-radius: 6px !important;
    padding: 2px 6px !important;
}

.flatpickr-weekday {
    color: var(--text-muted) !important;
    background: transparent !important;
}

.flatpickr-day {
    color: var(--text) !important;
    border-radius: 6px !important;
    border: none !important;
}

.flatpickr-day:hover,
.flatpickr-day.prevMonthDay:hover,
.flatpickr-day.nextMonthDay:hover {
    background: var(--border) !important;
    color: var(--text) !important;
}

.flatpickr-day.selected,
.flatpickr-day.selected:hover {
    background: var(--accent) !important;
    color: #fff !important;
}

.flatpickr-day.today:not(.selected) {
    border: 1px solid var(--accent) !important;
    color: var(--accent) !important;
}

.flatpickr-day.prevMonthDay,
.flatpickr-day.nextMonthDay { color: var(--text-muted) !important; opacity: 0.5; }

.flatpickr-prev-month svg,
.flatpickr-next-month svg { fill: var(--text-muted) !important; }

.flatpickr-prev-month:hover svg,
.flatpickr-next-month:hover svg { fill: var(--accent) !important; }

/* ── Date helpers ─────────────────────────────────────────────────────────── */
.date-helpers {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.date-preset {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text-muted);
    font-size: 0.78rem;
    cursor: pointer;
    padding: 3px 12px;
    transition: var(--transition);
}

.date-preset:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ── Style selector ───────────────────────────────────────────────────────── */
.style-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.style-btn {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 6px;
    font-size: 0.78rem;
    font-family: var(--font-body);
    transition: var(--transition);
}

.style-btn .style-icon { font-size: 1.3rem; }

.style-btn:hover {
    border-color: var(--accent);
    color: var(--text);
}

.style-btn.active {
    background: color-mix(in srgb, var(--accent) 15%, var(--surface2));
    border-color: var(--accent);
    color: var(--accent);
    font-weight: 600;
}

/* ── Actions ──────────────────────────────────────────────────────────────── */
.actions { margin-top: 20px; }

.btn-primary {
    background: var(--accent);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    padding: 12px 32px;
    transition: background var(--transition), transform 0.1s;
    width: 100%;
}

.btn-primary:hover  { background: var(--accent-dark); }
.btn-primary:active { transform: scale(0.99); }

.error-msg {
    background: color-mix(in srgb, var(--danger) 15%, var(--surface2));
    border: 1px solid var(--danger);
    border-radius: var(--radius-sm);
    color: var(--danger);
    font-size: 0.9rem;
    margin-top: 12px;
    padding: 10px 14px;
}

/* ── Loading ──────────────────────────────────────────────────────────────── */
.loading {
    text-align: center;
    padding: 48px 0;
    color: var(--text-muted);
}

.spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    margin: 0 auto 16px;
    animation: spin 0.8s linear infinite;
}

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

/* ── Result header ────────────────────────────────────────────────────────── */
.result-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.result-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--accent);
    display: block;
}

.result-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.result-badges { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-start; }

.badge {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 10px;
    white-space: nowrap;
}

.badge-info    { border-color: var(--accent);  color: var(--accent); }
.badge-warning { border-color: var(--warn);    color: var(--warn);   }
.badge-volcanic{ border-color: #ff6b35;        color: #ff6b35;       }

/* ── Alert box ────────────────────────────────────────────────────────────── */
.alert-box {
    background: color-mix(in srgb, var(--danger) 12%, var(--surface));
    border: 1px solid var(--danger);
    border-left: 4px solid var(--danger);
    border-radius: var(--radius-sm);
    color: #ffaaaa;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 20px;
    padding: 12px 16px;
}

/* ── Summary card ─────────────────────────────────────────────────────────── */
.temp-display {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.temp-block { display: flex; align-items: baseline; gap: 4px; }

.temp-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-right: 2px;
}

.temp-value {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1;
}

.temp-unit { font-size: 1rem; color: var(--text-muted); }
.temp-separator { color: var(--border); font-size: 1.5rem; }

.conditions-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.condition-chip {
    display: flex;
    align-items: center;
    gap: 5px;
    background: var(--surface2);
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 0.88rem;
}

.chip-val  { font-weight: 600; }
.chip-unit { color: var(--text-muted); font-size: 0.8rem; }
.chip-dir  { color: var(--text-muted); font-size: 0.8rem; }

.summary-text {
    border-left: 3px solid var(--accent);
    color: var(--text);
    font-size: 0.95rem;
    font-style: italic;
    line-height: 1.7;
    padding: 8px 16px;
    margin: 0;
    background: color-mix(in srgb, var(--accent) 6%, var(--surface));
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ── Periods grid ─────────────────────────────────────────────────────────── */
.periods-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.period-card { padding: 18px; }

.period-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.period-icon  { font-size: 1.2rem; }

.period-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-muted);
}

.period-temp {
    font-size: 1.7rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 8px;
}

.period-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.pchip {
    background: var(--surface2);
    border-radius: 12px;
    font-size: 0.76rem;
    padding: 2px 8px;
    color: var(--text-muted);
}

.period-desc {
    font-size: 0.87rem;
    color: var(--text);
    line-height: 1.6;
    font-style: italic;
}

/* ── API hint ─────────────────────────────────────────────────────────────── */
.api-hint {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 14px 18px;
}

.api-hint-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    white-space: nowrap;
}

.api-hint-url {
    flex: 1;
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    word-break: break-all;
    background: var(--surface2);
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.btn-copy {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.78rem;
    padding: 6px 14px;
    transition: var(--transition);
    white-space: nowrap;
}

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

/* ── Footer ───────────────────────────────────────────────────────────────── */
footer {
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.78rem;
    margin-top: 32px;
    padding-top: 16px;
    text-align: center;
}

/* ── Utility ──────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
    .input-grid       { grid-template-columns: 1fr; }
    .style-selector   { grid-template-columns: repeat(2, 1fr); }
    .periods-grid     { grid-template-columns: 1fr; }
    .temp-display     { gap: 12px; }
    .temp-value       { font-size: 1.6rem; }
    .header-inner     { flex-wrap: wrap; }
    .logo-sub         { display: none; }
}