:root {
    --color-bg: #f4f4f4;
    --color-card: #ffffff;
    --color-text-main: #1a1a1a;
    --color-text-muted: #666666;
    --color-text-light: #999999;
    --color-border-main: #1a1a1a;
    --color-border-light: #cccccc;
    --color-success: #1a1a1a;
    --color-error: #d32f2f;
    --color-loading: #888888;
    --font-main: 'Inter', 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    padding: 0;
    background-color: var(--color-bg);
    color: var(--color-text-main);
    font-family: var(--font-main);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

h1, h2, h3, h4 {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    color: var(--color-text-main);
}

h1 {
    font-size: 2.5rem;
    border-bottom: 2px solid var(--color-border-main);
    padding-bottom: 10px;
}

h2 {
    font-size: 1.5rem;
    border-bottom: 1px solid var(--color-border-light);
    padding-bottom: 8px;
}

.text-main { color: var(--color-text-main); }
.text-muted { color: var(--color-text-muted); }
.text-light { color: var(--color-text-light); }
.text-success { color: var(--color-success); font-weight: 600; }
.text-error { color: var(--color-error); }
.text-loading { color: var(--color-loading); }

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: transparent;
    color: var(--color-text-main);
    border: 1px solid var(--color-border-main);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: var(--font-main);
}

.btn:hover {
    background: var(--color-text-main);
    color: var(--color-card);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-text-main);
    border-color: var(--color-text-main);
    color: var(--color-card);
}

.btn-primary:hover {
    background: #000000;
    border-color: #000000;
    color: var(--color-card);
}

input, select, textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    background: var(--color-card);
    color: var(--color-text-main);
    border: 1px solid var(--color-border-light);
    border-radius: 0;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color 0.15s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-text-main);
}

input::placeholder, textarea::placeholder {
    color: var(--color-text-light);
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
    color: var(--color-text-main);
}

.card {
    background: var(--color-card);
    border: 1px solid var(--color-border-main);
    padding: 30px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.editor-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

@media (max-width: 768px) {
    .editor-layout { grid-template-columns: 1fr; }
}

.form-section, .preview-section {
    background: var(--color-card);
    border: 1px solid var(--color-border-main);
    padding: 30px;
}

.preview-section {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#preview-container {
    width: 100%;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fafafa;
    border: 1px solid var(--color-border-light);
    padding: 20px;
}

#preview-container img {
    max-width: 100%;
    height: auto;
}

#batch-result {
    width: 100%;
    background: var(--color-card);
    border: 1px solid var(--color-border-main);
    padding: 20px;
    margin-top: 20px;
}

#batch-result h3 {
    color: var(--color-text-main);
    margin-top: 0;
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border-main);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.nav-logo {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--color-text-main);
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-main);
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 8px 12px;
    border: 1px solid transparent;
    transition: all 0.15s ease;
}

.nav-link:hover {
    border-color: var(--color-border-main);
}

.nav-link.active {
    background: var(--color-text-main);
    color: var(--color-card);
    border-color: var(--color-text-main);
}

.nav-link.soon {
    color: var(--color-text-light);
    cursor: not-allowed;
}

.nav-link.soon::after {
    content: " скоро";
    text-transform: lowercase;
    font-size: 0.7rem;
    color: var(--color-text-light);
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-btn {
    padding: 8px 14px !important;
    font-size: 0.8rem !important;
}

@media (max-width: 768px) {
    .nav-inner {
        height: auto;
        flex-wrap: wrap;
        padding: 10px 15px;
    }
}

a {
    color: var(--color-text-main);
    text-decoration: none;
}

a:hover {
    color: #000000;
    text-decoration: underline;
}

#missing-box {
    color: var(--color-text-main);
    border: 1px solid var(--color-border-light);
}