:root {
    --blue: #2563eb;
    --blue-dark: #1e40af;
    --green: #16a34a;
    --green-dark: #15803d;
    --gray: #6b7280;
    --gray-dark: #4b5563;
    --gray-light: #e5e7eb;
    --gray-bg: #f9fafb;
    --red: #dc2626;
    --orange: #ea580c;
    --bg: #ffffff;
    --text: #111827;
    --border: #d1d5db;
}

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    background: var(--gray-bg);
    color: var(--text);
    font-size: 14px;
}

.app {
    max-width: 860px;
    margin: 0 auto;
    padding: 16px;
}

header {
    text-align: center;
    padding: 12px 0 8px;
}

header h1 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
}

header .subtitle {
    margin: 4px 0 0;
    font-size: 12px;
    color: var(--gray-dark);
}

.step {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px;
    margin-bottom: 8px;
}

.step h2 {
    margin: 0 0 6px;
    font-size: 14px;
    font-weight: 700;
}

.file-row {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-bottom: 4px;
}

.file-row input[type="text"] {
    flex: 1;
    padding: 7px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 13px;
    background: white;
}

.file-row input[type="text"]:read-only {
    background: #f3f4f6;
}

.btn {
    padding: 7px 14px;
    border: 1px solid var(--border);
    background: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text);
    transition: background 0.15s, border-color 0.15s;
}

.btn:hover:not(:disabled) {
    background: var(--gray-light);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--green);
    color: white;
    border-color: var(--green);
}

.btn-primary:hover:not(:disabled) {
    background: var(--green-dark);
    border-color: var(--green-dark);
}

.btn-success {
    background: var(--green);
    color: white;
    border-color: var(--green);
    font-weight: 700;
}

.btn-success:hover:not(:disabled) {
    background: var(--green-dark);
    border-color: var(--green-dark);
}

.btn-gray {
    background: var(--gray);
    color: white;
    border-color: var(--gray);
}

.btn-gray:hover:not(:disabled) {
    background: var(--gray-dark);
    border-color: var(--gray-dark);
}

.btn-big {
    padding: 11px 16px;
    font-size: 14px;
}

.btn-small {
    padding: 4px 10px;
    font-size: 12px;
}

.button-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.main-actions {
    margin-top: 8px;
}

.main-actions .btn-success {
    flex: 1;
}

.status {
    font-size: 12px;
    padding: 5px 0 7px;
    font-weight: 500;
}

.status.success { color: var(--green); }
.status.error { color: var(--red); }
.status.warning { color: var(--orange); }

.checkbox-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: 6px;
    font-size: 13px;
    cursor: pointer;
}

.report-type {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.radio-pill {
    flex: 1;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 7px 10px;
    cursor: pointer;
    font-size: 13px;
    text-align: center;
    background: white;
    transition: background 0.15s, border-color 0.15s;
}

.radio-pill:has(input:checked) {
    background: var(--blue);
    color: white;
    border-color: var(--blue);
}

.radio-pill input {
    display: none;
}

.trainings-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}

.trainings-label {
    flex: 1;
    font-size: 12px;
    color: var(--gray-dark);
}

.trainings-list {
    border: 1px solid var(--border);
    border-radius: 6px;
    max-height: 180px;
    overflow-y: auto;
    padding: 6px 8px;
    background: white;
}

.trainings-list label {
    display: block;
    padding: 2px 0;
    font-size: 13px;
    cursor: pointer;
}

.trainings-list input[type="checkbox"] {
    margin-right: 6px;
}

.hint {
    color: var(--gray);
    font-size: 12px;
    font-style: italic;
    margin: 4px 0;
}

.progress {
    margin: 6px 0;
}

.progress progress {
    width: 100%;
    height: 16px;
}

#progress-label {
    font-size: 11px;
    color: var(--gray-dark);
    text-align: center;
    margin-top: 3px;
}

.status-message {
    padding: 8px 12px;
    border-radius: 6px;
    margin: 6px 0;
    font-size: 13px;
    font-weight: 500;
    white-space: pre-line;
}

.status-message.success {
    background: #dcfce7;
    color: var(--green-dark);
    border: 1px solid #86efac;
}

.status-message.error {
    background: #fee2e2;
    color: var(--red);
    border: 1px solid #fca5a5;
}

.hidden {
    display: none !important;
}

.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text);
    color: white;
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.toast.success { background: var(--green); }
.toast.error { background: var(--red); }

/* Modals */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal-card {
    background: white;
    border-radius: 10px;
    padding: 18px;
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow: auto;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.modal-card.modal-wide {
    max-width: 1000px;
    height: 85vh;
    display: flex;
    flex-direction: column;
}

.modal-card h3 {
    margin: 0 0 12px;
    font-size: 17px;
}

.modal-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 10px;
}

.modal-row label {
    font-size: 13px;
    min-width: 70px;
}

.modal-row input[type="number"] {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    width: 80px;
}

.modal-fields {
    max-height: 380px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px;
}

.modal-field {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 5px 0;
}

.modal-field label {
    flex: 0 0 200px;
    font-size: 13px;
}

.modal-field select {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: white;
    font-size: 13px;
}

.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 14px;
}

.preview-info {
    color: var(--gray-dark);
    font-size: 13px;
    margin-bottom: 8px;
}

.preview-table-wrap {
    flex: 1;
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: 6px;
}

.preview-table {
    border-collapse: collapse;
    font-size: 12px;
    white-space: nowrap;
}

.preview-table th,
.preview-table td {
    border: 1px solid var(--gray-light);
    padding: 4px 8px;
    text-align: left;
}

.preview-table thead {
    position: sticky;
    top: 0;
    background: #f3f4f6;
    font-weight: 600;
}