:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --bg: #f5f7fa;
    --text: #1f2937;
    --border: #e5e7eb;
    --success-bg: #dcfce7;
    --success-text: #166534;
    --error-bg: #fee2e2;
    --error-text: #991b1b;
    --info-bg: #dbeafe;
    --info-text: #1e40af;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 16px 60px;
}

h1 { margin-bottom: 4px; }
.subtitle { color: #6b7280; margin-top: 0; }
.muted { color: #6b7280; font-size: 14px; }

/* -------- Auth pages -------- */
.auth-box {
    max-width: 380px;
    margin: 80px auto;
    background: #fff;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.auth-box h1 { text-align: center; }
.auth-box .subtitle { text-align: center; margin-bottom: 24px; }
.auth-box form label {
    display: block;
    font-size: 14px;
    margin-top: 14px;
    margin-bottom: 4px;
    color: #374151;
}
.auth-box input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
}
.auth-box button {
    width: 100%;
    margin-top: 20px;
    padding: 11px;
    border: none;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}
.auth-box button:hover { background: var(--primary-dark); }

/* -------- Navbar -------- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    padding: 14px 24px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.navbar-brand { font-weight: 700; }
.navbar-links a {
    margin-left: 18px;
    color: #374151;
    text-decoration: none;
    font-size: 14px;
}
.navbar-links a:hover { color: var(--primary); }

/* -------- Alerts -------- */
.alert {
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    margin: 12px 0;
}
.alert-success { background: var(--success-bg); color: var(--success-text); }
.alert-error { background: var(--error-bg); color: var(--error-text); }
.alert-info { background: var(--info-bg); color: var(--info-text); }

/* -------- Stat cards -------- */
.cards { display: flex; gap: 16px; margin: 20px 0; flex-wrap: wrap; }
.stat-card {
    background: #fff;
    border-radius: 12px;
    padding: 20px 28px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    text-align: center;
    min-width: 120px;
}
.stat-number { display: block; font-size: 28px; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 13px; color: #6b7280; }

.quick-links { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }

/* -------- Buttons -------- */
.btn {
    display: inline-block;
    padding: 10px 16px;
    background: var(--primary);
    color: #fff;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
}
.btn:hover { background: var(--primary-dark); }

button, .btn-small {
    cursor: pointer;
    font-family: inherit;
}
.btn-small {
    padding: 7px 12px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 13px;
}
.btn-small:hover { background: var(--primary-dark); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b91c1c; }

/* -------- Panels & forms -------- */
.panel {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.panel h2 { margin-top: 0; font-size: 16px; }

.inline-form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}
.inline-form input {
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
}
.inline-form button {
    padding: 9px 16px;
    border: none;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-weight: 600;
}
.inline-form button:hover { background: var(--primary-dark); }

/* -------- Tables -------- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.data-table th, .data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 14px;
}
.data-table th { background: #f9fafb; font-weight: 600; color: #374151; }
.data-table input {
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 13px;
    width: 100%;
}
.data-table input.small-input { width: 90px; }
.data-table .actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.badge-draft { background: #e5e7eb; color: #374151; }
.badge-open { background: #dbeafe; color: #1e40af; }
.badge-running { background: #fef3c7; color: #92400e; }
.badge-finished { background: #dcfce7; color: #166534; }