:root {
    --bg: #f5f3ef;
    --card-bg: #ffffff;
    --text: #1a1a1a;
    --text-muted: #888;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --border: #e5e2db;
    --input-bg: #faf9f7;
    --dot-color: #c5bfb4;
    --radius: 14px;
    --shadow: 0 4px 24px rgba(0,0,0,0.07);
}

[data-theme="dark"] {
    --bg: #0e0f11;
    --card-bg: #16181c;
    --text: #e8e6e1;
    --text-muted: #5a5f6b;
    --accent: #4a8af4;
    --accent-hover: #3b7de8;
    --border: #252830;
    --input-bg: #111317;
    --dot-color: #2a2d35;
    --shadow: 0 4px 32px rgba(0,0,0,0.4);
}

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

body {
    background-color: var(--bg);
    font-family: 'DM Sans', sans-serif;
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s, color 0.3s;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: radial-gradient(circle, var(--dot-color) 1px, transparent 1px);
    background-size: 28px 28px;
    opacity: 0.35;
    z-index: 0;
    pointer-events: none;
}

.page-wrap {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 560px;
    padding: 32px 20px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

header {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.logo {
    font-family: 'Instrument Serif', serif;
    font-size: 1.4rem;
    letter-spacing: -0.5px;
    color: var(--text);
}

.tagline {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 400;
    letter-spacing: 0.3px;
    flex: 1;
}

.theme-toggle {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 4px 10px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background 0.2s, border-color 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}

.theme-toggle:hover {
    border-color: var(--accent);
}

[data-theme="light"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun  { display: none; }

.hero-text h1 {
    font-family: 'Instrument Serif', serif;
    font-size: 2.8rem;
    line-height: 1.15;
    font-weight: 400;
    letter-spacing: -1px;
    margin-bottom: 10px;
}

.hero-text h1 em {
    font-style: italic;
    color: var(--accent);
}

.hero-text p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 20px;
    animation: slideUp 0.4s ease both;
    transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.field {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.field label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.2px;
}

.optional {
    font-weight: 400;
    color: var(--text-muted);
}

input[type="text"] {
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 11px 14px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.92rem;
    color: var(--text);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.3s;
    width: 100%;
}

input[type="text"]::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

input[type="text"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74, 138, 244, 0.12);
}

.select-wrap {
    position: relative;
}

select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 11px 40px 11px 14px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.92rem;
    color: var(--text);
    outline: none;
    width: 100%;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.3s;
}

select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74, 138, 244, 0.12);
}

.select-arrow {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--text-muted);
    pointer-events: none;
}

.search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 13px 20px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.2px;
    transition: background 0.2s, transform 0.1s;
    margin-top: 4px;
}

.search-btn:hover {
    background: var(--accent-hover);
}

.search-btn:active {
    transform: scale(0.98);
}

.btn-arrow {
    font-size: 1rem;
    transition: transform 0.2s;
}

.search-btn:hover .btn-arrow {
    transform: translateX(3px);
}

.hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
}

footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.sep { opacity: 0.4; }

@media (max-width: 480px) {
    .hero-text h1 { font-size: 2.2rem; }
    .card { padding: 22px; }
}