:root {
    --primary-color: #f9f9f9;
    --secondary-color: #1a1a1a;
    --accent-color: #ff6b35;
    --accent-hover: #e85d2a;
    --background-color: #fff5f0;
    --card-bg: rgba(255, 255, 255, 0.75);
    --card-border: rgba(255, 200, 170, 0.6);
    --tag-bg: rgba(255, 235, 220, 0.9);
    --tag-color: #cc4a1a;
    --toggle-bg: rgba(30, 30, 30, 0.85);
    --toggle-color: #fff;
    --subtitle-color: #555;
    --container-bg: rgba(255, 252, 248, 0.72);
    --container-border: rgba(255, 220, 190, 0.5);
}

[data-theme="dark"] {
    --primary-color: #1e1e2e;
    --secondary-color: #f0f0f0;
    --accent-color: #ff6b35;
    --accent-hover: #ff8555;
    --background-color: #12121c;
    --card-bg: rgba(30, 28, 48, 0.75);
    --card-border: rgba(80, 70, 110, 0.5);
    --tag-bg: rgba(50, 35, 70, 0.85);
    --tag-color: #ff9970;
    --toggle-bg: rgba(220, 220, 220, 0.9);
    --toggle-color: #222;
    --subtitle-color: #aaa;
    --container-bg: rgba(18, 16, 32, 0.72);
    --container-border: rgba(90, 70, 130, 0.4);
}

* {
    box-sizing: border-box;
}

.top-controls {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
    z-index: 200;
}

#theme-toggle,
#lang-toggle {
    background-color: var(--toggle-bg);
    color: var(--toggle-color);
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1em;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    transition: background-color 0.3s, transform 0.2s;
}

#theme-toggle { font-size: 1.4em; }

#theme-toggle:hover,
#lang-toggle:hover {
    transform: scale(1.1);
}

body {
    font-family: 'Segoe UI', 'Apple SD Gothic Neo', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    background-color: var(--background-color);
    transition: background-color 0.3s;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url('https://media.istockphoto.com/id/1442417585/ko/%EC%82%AC%EC%A7%84/%EC%B9%98%EC%A6%88-%ED%8E%98%ED%8D%BC%EB%A1%9C%EB%8B%88-%ED%94%BC%EC%9E%90-%ED%95%9C-%EC%A1%B0%EA%B0%81%EC%9D%84-%EB%A8%B9%EB%8A%94-%EC%82%AC%EB%9E%8C.jpg?s=1024x1024&w=is&k=20&c=3DbLxIf6WkhVCoTHoOGhIThDvlfEYdP680HdcUS7ygc=');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: brightness(0.55) saturate(1.2);
    z-index: -1;
    transition: filter 0.4s;
}

[data-theme="dark"] body::before {
    filter: brightness(0.3) saturate(1.0);
}

.container {
    text-align: center;
    background-color: var(--container-bg);
    backdrop-filter: blur(18px) saturate(1.4);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
    border: 1px solid var(--container-border);
    padding: 40px 36px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    width: 100%;
    max-width: 520px;
    position: relative;
    z-index: 1;
}

.header {
    margin-bottom: 28px;
}

.emoji {
    font-size: 3em;
    margin-bottom: 8px;
}

h1 {
    color: var(--secondary-color);
    margin: 0 0 8px;
    font-size: 2em;
}

.subtitle {
    color: var(--subtitle-color);
    margin: 0;
    font-size: 0.95em;
}

#menus {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 28px;
}

.menu-card {
    background-color: var(--card-bg);
    border: 1.5px solid var(--card-border);
    border-radius: 12px;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    text-align: left;
    transition: transform 0.2s, box-shadow 0.2s;
    animation: fadeIn 0.3s ease both;
}

.menu-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.1);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.menu-card:nth-child(1) { animation-delay: 0.00s; }
.menu-card:nth-child(2) { animation-delay: 0.05s; }
.menu-card:nth-child(3) { animation-delay: 0.10s; }
.menu-card:nth-child(4) { animation-delay: 0.15s; }
.menu-card:nth-child(5) { animation-delay: 0.20s; }

.menu-icon {
    font-size: 2em;
    flex-shrink: 0;
}

.menu-info {
    flex: 1;
}

.menu-name {
    font-size: 1.1em;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 4px;
}

.menu-tag {
    display: inline-block;
    font-size: 0.75em;
    background-color: var(--tag-bg);
    color: var(--tag-color);
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 600;
}

#recommend {
    width: 100%;
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 16px;
    font-size: 1.1em;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.35);
}

#recommend:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(255, 107, 53, 0.45);
}

#recommend:active {
    transform: translateY(0);
}

/* ── 제휴 문의 폼 ────────────────────────────────── */
.form-container {
    background-color: var(--container-bg);
    backdrop-filter: blur(18px) saturate(1.4);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
    border: 1px solid var(--container-border);
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    padding: 36px;
    width: 100%;
    max-width: 520px;
    margin-top: 24px;
    position: relative;
    z-index: 1;
}

.form-title {
    color: var(--secondary-color);
    font-size: 1.4em;
    margin: 0 0 8px;
}

.form-desc {
    color: var(--subtitle-color);
    font-size: 0.9em;
    margin: 0 0 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
    text-align: left;
}

.form-group label {
    font-size: 0.88em;
    font-weight: 600;
    color: var(--secondary-color);
}

.form-group input,
.form-group textarea {
    background-color: var(--card-bg);
    border: 1.5px solid var(--card-border);
    border-radius: 10px;
    padding: 11px 14px;
    font-size: 0.95em;
    color: var(--secondary-color);
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--subtitle-color);
    opacity: 0.7;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.18);
}

#form-submit {
    width: 100%;
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 14px;
    font-size: 1.05em;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.35);
    margin-top: 4px;
}

#form-submit:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(255, 107, 53, 0.45);
}

#form-submit:active {
    transform: translateY(0);
}

#form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

#form-status {
    margin: 12px 0 0;
    font-size: 0.9em;
    font-weight: 600;
    min-height: 1.2em;
    text-align: center;
}

#form-status.success { color: #2ecc71; }
#form-status.error   { color: #e74c3c; }