/**
 * QR Стикер Платформа — Основен стил
 * Monochrome blue-gray палитра
 */

:root {
    --bg: #f7f9fc;
    --card: #ffffff;
    --accent: #5a7ba8;
    --accent-dark: #3d5a80;
    --accent-light: #e8eef5;
    --text: #2c3e50;
    --text-light: #6b7c93;
    --border: #e0e5ec;
    --shadow: rgba(90, 123, 168, 0.1);
    --radius: 10px;
    --transition: 0.35s ease;
    --danger: #c0392b;
    --danger-light: #fef0f0;
    --success: #27ae60;
    --success-light: #eafaf1;
    --warning: #f0c040;
    --warning-light: #fff8e6;
}

/* Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); }
code { font-family: 'Consolas', 'Monaco', monospace; background: var(--accent-light); padding: 2px 6px; border-radius: 4px; font-size: 13px; }

/* ── Навигация ── */
.navbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 4px var(--shadow);
}
.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    height: 56px;
    gap: 24px;
}
.nav-logo {
    font-weight: 700;
    font-size: 18px;
    color: var(--accent);
    margin-right: auto;
}
.nav-links { display: flex; gap: 4px; }
.nav-user { display: flex; gap: 4px; margin-left: auto; }
.nav-link {
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    transition: var(--transition);
}
.nav-link:hover { background: var(--accent-light); color: var(--accent-dark); }
.nav-link.active { background: var(--accent-light); color: var(--accent); font-weight: 600; }
.nav-logout { color: var(--danger); }
.nav-logout:hover { background: var(--danger-light); }

/* ── Main Content ── */
.main-content { padding: 24px; }
.container { max-width: 1100px; margin: 0 auto; }

/* ── Page Header ── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}
.page-header h1 { font-size: 24px; color: var(--text); }

/* ── Cards ── */
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: 0 2px 8px var(--shadow);
    overflow: hidden;
}
.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.card-header h2 { font-size: 16px; color: var(--accent-dark); }
.card-body { padding: 20px; }

/* ── Stats Grid ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stats-small { grid-template-columns: repeat(3, 1fr); }
.stat-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 8px var(--shadow);
    transition: var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px var(--shadow); }
.stat-number { font-size: 32px; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 13px; color: var(--text-light); margin-top: 4px; }

/* ── Table ── */
.table { width: 100%; border-collapse: collapse; }
.table th {
    text-align: left;
    padding: 10px 16px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-light);
    border-bottom: 2px solid var(--border);
}
.table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.table tr:hover { background: var(--accent-light); }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-secondary { background: var(--accent-light); color: var(--accent-dark); }
.btn-secondary:hover { background: #d5dfe9; color: var(--accent-dark); }
.btn-danger { background: var(--danger-light); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-full { width: 100%; justify-content: center; }
.btn-small { padding: 6px 12px; font-size: 13px; }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s;
    outline: none;
    background: #fff;
}
.form-group input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-hint { font-size: 12px; color: var(--text-light); margin-top: 3px; }
.form-file { font-size: 14px; padding: 8px 0; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-actions { margin-top: 24px; display: flex; gap: 12px; }
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    cursor: pointer;
}
.checkbox-label input { width: 18px; height: 18px; accent-color: var(--accent); }

/* ── Alerts ── */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}
.alert-success { background: var(--success-light); color: var(--success); border-left: 3px solid var(--success); }
.alert-error { background: var(--danger-light); color: var(--danger); border-left: 3px solid var(--danger); }
.alert-warning { background: var(--warning-light); color: #7a6a2a; border-left: 3px solid var(--warning); }

/* ── Badges ── */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-muted { background: #f0f2f5; color: var(--text-light); }

/* ── Plan Badge ── */
.plan-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
}
.plan-free { background: #f0f2f5; color: var(--text-light); }
.plan-personal { background: var(--accent-light); color: var(--accent); }
.plan-business { background: #fef3cd; color: #856404; }

/* ── Stickers Grid ── */
.stickers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 16px;
}
.sticker-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: 0 2px 8px var(--shadow);
    transition: var(--transition);
    overflow: hidden;
}
.sticker-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px var(--shadow); }
.sticker-inactive { opacity: 0.6; }
.sticker-card-header {
    padding: 16px 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sticker-card-header h3 { font-size: 16px; color: var(--text); }
.sticker-card-body { padding: 12px 20px; }
.sticker-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 10px;
}
.sticker-url { display: flex; gap: 8px; }
.url-input {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 12px;
    color: var(--text-light);
    background: var(--bg);
}
.sticker-card-actions {
    padding: 12px 20px 16px;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* Sticker code display */
.sticker-code-display {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* ── Search ── */
.search-form { display: flex; gap: 8px; align-items: center; }
.search-input {
    flex: 1;
    padding: 10px 14px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    outline: none;
}
.search-input:focus { border-color: var(--accent); }

/* ── Modal ── */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-content {
    background: var(--card);
    border-radius: var(--radius);
    max-width: 400px;
    width: 100%;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 16px; }
.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-light);
    padding: 0 4px;
}
.modal-body { padding: 20px; }
.modal-footer { padding: 16px 20px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: center; }

/* ── Auth Pages ── */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}
.auth-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: 0 4px 20px var(--shadow);
    max-width: 420px;
    width: 100%;
    padding: 40px;
}
.auth-header { text-align: center; margin-bottom: 28px; }
.auth-header h1 { color: var(--accent); font-size: 22px; margin-bottom: 4px; }
.auth-header p { color: var(--text-light); font-size: 14px; }
.auth-form { margin-bottom: 20px; }
.auth-footer { text-align: center; font-size: 14px; color: var(--text-light); }

/* ── Footer ── */
.footer {
    margin-top: 40px;
    padding: 20px;
    text-align: center;
    color: var(--text-light);
    font-size: 13px;
    border-top: 1px solid var(--border);
}

/* ── Helpers ── */
.text-muted { color: var(--text-light); }
.btn-copy.copied { background: var(--success) !important; color: #fff !important; }

/* ── Responsive ── */
@media (max-width: 768px) {
    .nav-container { flex-wrap: wrap; height: auto; padding: 10px 0; }
    .nav-links, .nav-user { width: 100%; justify-content: center; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .stickers-grid { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; gap: 12px; align-items: flex-start; }
    .search-form { flex-direction: column; }
}