:root {
    --tg-bg: #ffffff;
    --tg-text: #000000;
    --tg-hint: #999999;
    --tg-button: #2481cc;
    --tg-button-text: #ffffff;
    --tg-secondary-bg: #f4f4f5;
    --error-color: #ef4444;
    --success-color: #10b981;
    --border-color: #e5e7eb;
    --hover-bg: #f9fafb;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
}

input, textarea, input::placeholder, textarea::placeholder {
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
    user-select: text !important;
}

button, .btn-submit, .btn-new-order, .btn-close-app, .service-card, .select-trigger, .select-option, label, .app-header, .success-title, .success-text {
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    user-select: none !important;
    -webkit-touch-callout: none !important;
}

html {
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--tg-theme-secondary-bg-color, var(--tg-secondary-bg));
    color: var(--tg-theme-text-color, var(--tg-text));
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.app-container {
    min-height: 100vh;
    background-color: var(--tg-theme-bg-color, var(--tg-bg));
    max-width: 800px;
    margin: 0 auto;
}

.app-header {
    padding: 24px 20px 20px;
    text-align: center;
}

.app-header h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--tg-theme-text-color, var(--tg-text));
    letter-spacing: -0.02em;
}

.app-header p {
    font-size: 14px;
    color: var(--tg-theme-hint-color, var(--tg-hint));
}

.form-container {
    padding: 16px 20px 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--tg-theme-text-color, var(--tg-text));
}

.hint-label {
    font-size: 12px;
    color: var(--tg-theme-hint-color, var(--tg-hint));
    font-weight: 400;
    margin-bottom: 6px;
    display: block;
}

.form-control {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    border: 1.5px solid var(--tg-theme-hint-color, var(--border-color));
    border-radius: 10px;
    background-color: var(--tg-theme-bg-color, var(--tg-bg));
    color: var(--tg-theme-text-color, var(--tg-text));
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
    outline: none;
}

.form-control:focus {
    border-color: var(--tg-theme-button-color, var(--tg-button));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--tg-theme-button-color, var(--tg-button)) 12%, transparent);
}

.form-control::placeholder {
    color: var(--tg-theme-hint-color, var(--tg-hint));
    opacity: 0.7;
}

.form-control.error {
    border-color: var(--error-color);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
    line-height: 1.5;
}

.custom-select {
    position: relative;
    width: 100%;
}

.select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    font-size: 15px;
    border: 1.5px solid var(--tg-theme-hint-color, var(--border-color));
    border-radius: 10px;
    background-color: var(--tg-theme-bg-color, var(--tg-bg));
    color: var(--tg-theme-text-color, var(--tg-text));
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
}

.select-trigger:hover {
    border-color: var(--tg-theme-button-color, var(--tg-button));
}

.custom-select.active .select-trigger {
    border-color: var(--tg-theme-button-color, var(--tg-button));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--tg-theme-button-color, var(--tg-button)) 12%, transparent);
}

.custom-select.error .select-trigger {
    border-color: var(--error-color);
}

.select-text {
    flex: 1;
}

.select-text.placeholder {
    color: var(--tg-theme-hint-color, var(--tg-hint));
    opacity: 0.7;
}

.select-arrow {
    margin-left: 10px;
    transition: transform 0.3s ease;
    color: var(--tg-theme-hint-color, var(--tg-hint));
}

.custom-select.active .select-arrow {
    transform: rotate(180deg);
}

.select-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--tg-theme-bg-color, var(--tg-bg));
    border: 1.5px solid var(--tg-theme-hint-color, var(--border-color));
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    max-height: 250px;
    overflow-y: auto;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.custom-select.active .select-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.select-option {
    padding: 12px 14px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    color: var(--tg-theme-text-color, var(--tg-text));
    font-size: 15px;
}

.select-option:hover {
    background-color: var(--tg-theme-secondary-bg-color, var(--hover-bg));
}

.select-option.selected {
    background-color: color-mix(in srgb, var(--tg-theme-button-color, var(--tg-button)) 12%, transparent);
    color: var(--tg-theme-button-color, var(--tg-button));
    font-weight: 600;
}

.select-option:first-child {
    border-radius: 8px 8px 0 0;
}

.select-option:last-child {
    border-radius: 0 0 8px 8px;
}

.error-text {
    display: none;
    color: var(--error-color);
    font-size: 12px;
    margin-top: 6px;
    font-weight: 500;
}

.error-text.show {
    display: block;
    animation: shake 0.3s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.service-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 18px 12px;
    background: var(--tg-theme-secondary-bg-color, var(--tg-secondary-bg));
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--tg-theme-button-color, var(--tg-button));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.service-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.service-card input[type="checkbox"]:checked + .service-content ~ .service-checkmark {
    opacity: 1;
    transform: scale(1);
}

.service-card input[type="checkbox"]:checked ~ .service-content {
    color: white;
}

.service-card:has(input[type="checkbox"]:checked) {
    border-color: var(--tg-theme-button-color, var(--tg-button));
    background: var(--tg-theme-button-color, var(--tg-button));
}

.service-card:has(input[type="checkbox"]:checked)::before {
    opacity: 1;
}

.service-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: color 0.3s ease;
}

.service-icon {
    font-size: 32px;
    margin-bottom: 8px;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--tg-theme-text-color, var(--tg-text));
    transition: color 0.3s ease;
}

.service-card:has(input[type="checkbox"]:checked) .service-name {
    color: white;
}

.service-checkmark {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 2;
}

.service-checkmark svg {
    color: var(--tg-theme-button-color, var(--tg-button));
}

.form-actions {
    margin-top: 32px;
}

.btn-submit {
    width: 100%;
    padding: 15px 24px;
    background: var(--tg-theme-button-color, var(--tg-button));
    color: var(--tg-theme-button-text-color, var(--tg-button-text));
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--tg-theme-button-color, var(--tg-button)) 25%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-submit:active::before {
    width: 300px;
    height: 300px;
}

.btn-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--tg-theme-button-color, var(--tg-button)) 30%, transparent);
}

.btn-submit:active:not(:disabled) {
    transform: translateY(0);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-text {
    position: relative;
    z-index: 1;
}

.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2.5px solid var(--tg-theme-button-text-color, white);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-submit.loading .btn-text {
    display: none;
}

.btn-submit.loading .btn-loader {
    display: block;
}

.success-screen {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
    padding: 40px 24px;
    text-align: center;
}

.success-screen.show {
    display: flex;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.success-animation {
    margin-bottom: 32px;
}

.checkmark {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: block;
    stroke-width: 3;
    stroke: #fff;
    stroke-miterlimit: 10;
    box-shadow: inset 0 0 0 var(--success-color);
    animation: fill 0.4s ease-in-out 0.4s forwards, scale 0.3s ease-in-out 0.9s both;
    position: relative;
}

.checkmark-circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 3;
    stroke-miterlimit: 10;
    stroke: var(--success-color);
    fill: none;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark-check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke: #fff;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

.success-actions {
    display: flex;
    gap: 12px;
    margin-top: 32px;
    width: 100%;
    max-width: 400px;
}

.btn-new-order {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    background: var(--tg-theme-button-color, var(--tg-button));
    color: var(--tg-theme-button-text-color, var(--tg-button-text));
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--tg-theme-button-color, var(--tg-button)) 25%, transparent);
}

.btn-new-order:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--tg-theme-button-color, var(--tg-button)) 30%, transparent);
}

.btn-new-order:active {
    transform: translateY(0);
}

.btn-new-order svg {
    transition: transform 0.3s ease;
}

.btn-new-order:hover svg {
    transform: rotate(90deg);
}

.btn-close-app {
    flex: 1;
    padding: 14px 20px;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px #0ca54c63;
}

.btn-close-app:hover {
    background: #0ea472;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px #0ca54c63;
}

.btn-close-app:active {
    transform: translateY(0);
}

.success-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--tg-theme-text-color, var(--tg-text));
}

.success-text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--tg-theme-hint-color, var(--tg-hint));
    max-width: 400px;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.success-screen.show .success-actions {
    animation: slideUp 0.5s ease-out 0.6s backwards;
}

.success-screen.show .success-title {
    animation: slideUp 0.5s ease-out 0.3s backwards;
}

.success-screen.show .success-text {
    animation: slideUp 0.5s ease-out 0.4s backwards;
}

@keyframes stroke {
    100% {
        stroke-dashoffset: 0;
    }
}

@keyframes scale {
    0%, 100% {
        transform: none;
    }
    50% {
        transform: scale3d(1.1, 1.1, 1);
    }
}

@keyframes fill {
    100% {
        box-shadow: inset 0 0 0 60px var(--success-color);
    }
}

@media (max-width: 480px) {
    .success-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn-new-order,
    .btn-close-app {
        width: 100%;
    }
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .app-header {
        padding: 32px 32px 24px;
    }

    .form-container {
        padding: 24px 32px 48px;
    }

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) {
    .form-container {
        padding: 32px 40px 56px;
    }

    .btn-submit {
        max-width: 400px;
        margin: 0 auto;
    }
}

.success-screen.show .success-animation {
    animation: successPop 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.1s backwards;
}

@keyframes successPop {
    0% {
        opacity: 0;
        transform: scale(0) rotate(-180deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.success-screen.show .success-title {
    animation: slideUp 0.5s ease-out 0.5s backwards;
}

.success-screen.show .success-text {
    animation: slideUp 0.5s ease-out 0.6s backwards;
}

.success-screen.show .success-actions {
    animation: slideUp 0.5s ease-out 0.7s backwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}