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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    padding: 16px;
    padding-bottom: 100px; /* Отступ снизу для фиксированных кнопок */
}

.container {
    max-width: 600px;
    margin: 0 auto;
}

h1 {
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 14px;
}

.field-hint {
    font-size: 12px;
    color: var(--tg-theme-hint-color, #999);
    margin-top: 4px;
    display: block;
}

input, select, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--tg-theme-hint-color, #ccc);
    border-radius: 8px;
    font-size: 16px;
    background: var(--tg-theme-secondary-bg-color, #f8f8f8);
    color: var(--tg-theme-text-color, #000000);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--tg-theme-button-color, #0088cc);
    box-shadow: 0 0 0 3px rgba(0, 136, 204, 0.1);
}

/* Валидация полей */
input.valid, select.valid, textarea.valid {
    border-color: #28a745;
}

input.invalid, select.invalid, textarea.invalid {
    border-color: #dc3545;
}

input.invalid:focus, select.invalid:focus, textarea.invalid:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

/* Сообщения об ошибках */
.error-message {
    color: #dc3545;
    font-size: 12px;
    margin-top: 4px;
    display: none;
}

.error-message.visible {
    display: block;
}

textarea {
    min-height: 80px;
    resize: vertical;
    font-family: inherit;
}

.services-list {
    margin-top: 16px;
    padding: 12px;
    background: var(--tg-theme-secondary-bg-color, #f8f8f8);
    border-radius: 8px;
}

.service-item {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    padding: 12px;
    border-bottom: 1px solid var(--tg-theme-hint-color, #e0e0e0);
    gap: 8px;
    background: var(--tg-theme-bg-color, #ffffff);
}

.service-item:last-child {
    border-bottom: none;
}

.service-info {
    grid-column: 1;
    grid-row: 1;
}

.service-name {
    font-weight: 500;
    margin-bottom: 4px;
    word-wrap: break-word;
}

.service-details {
    font-size: 13px;
    color: var(--tg-theme-hint-color, #999);
}

.service-controls {
    grid-column: 1 / -1;
    grid-row: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.btn-remove {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--tg-theme-bg-color, #ffffff);
    border: 1px solid var(--tg-theme-hint-color, #ccc);
    border-radius: 6px;
    padding: 4px;
}

.quantity-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--tg-theme-button-color, #0088cc);
    color: var(--tg-theme-button-text-color, #ffffff);
    border-radius: 4px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s;
}

.quantity-btn:active {
    opacity: 0.7;
}

.quantity-value {
    min-width: 32px;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
}

.btn-remove {
    width: 32px;
    height: 32px;
    padding: 0;
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s;
}

.btn-remove:active {
    opacity: 0.7;
}

.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    margin-top: 12px;
}

.btn-primary {
    background: var(--tg-theme-button-color, #0088cc);
    color: var(--tg-theme-button-text-color, #ffffff);
}

.btn-secondary {
    background: var(--tg-theme-secondary-bg-color, #f0f0f0);
    color: var(--tg-theme-text-color, #000000);
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.hidden {
    display: none;
}

.step {
    display: none;
}

.step.active {
    display: block;
}

.total-sum {
    font-size: 18px;
    font-weight: bold;
    text-align: right;
    margin-top: 12px;
    padding: 12px;
    background: var(--tg-theme-button-color, #0088cc);
    color: var(--tg-theme-button-text-color, #ffffff);
    border-radius: 8px;
}

.manual-executor-notice {
    padding: 12px;
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    margin-bottom: 16px;
    border-radius: 4px;
    font-size: 14px;
}

/* Календарь */
.simple-calendar {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    background: var(--tg-theme-bg-color, #ffffff);
    border: 1px solid var(--tg-theme-hint-color, #ccc);
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    min-width: 280px;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.calendar-nav-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    color: var(--tg-theme-text-color, #000000);
    transition: background 0.2s;
    border-radius: 4px;
}

.calendar-nav-btn:hover {
    background: var(--tg-theme-secondary-bg-color, #f0f0f0);
}

.calendar-month-year {
    font-weight: 600;
    font-size: 16px;
    color: var(--tg-theme-text-color, #000000);
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}

.calendar-weekday {
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--tg-theme-hint-color, #999);
    padding: 4px;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-day {
    text-align: center;
    padding: 8px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
    color: var(--tg-theme-text-color, #000000);
    transition: background 0.2s;
}

.calendar-day:hover:not(.empty) {
    background: var(--tg-theme-secondary-bg-color, #f0f0f0);
}

.calendar-day.empty {
    cursor: default;
}

.calendar-day.today {
    font-weight: bold;
    color: var(--tg-theme-button-color, #0088cc);
}

.calendar-day.selected {
    background: var(--tg-theme-button-color, #0088cc);
    color: var(--tg-theme-button-text-color, #ffffff);
    font-weight: bold;
}

.calendar-day.selected:hover {
    background: var(--tg-theme-button-color, #0088cc);
}

/* Фиксированные кнопки навигации */
.step-buttons {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--tg-theme-bg-color, #ffffff);
    padding: 12px 16px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 999;
    display: flex;
    gap: 12px;
}

.step-buttons .btn {
    margin-top: 0;
    flex: 1;
}