:root {
    /* Light theme variables */
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --card-bg: #ffffff;
    --text-color: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --border-color: #e0e0e0;
    --border-focus: #667eea;
    --button-bg: #667eea;
    --button-hover: #5568d3;
    --secondary-bg: #f0f0f0;
    --secondary-hover: #e0e0e0;
    --success-color: #4caf50;
    --error-color: #f44336;
    --warning-color: #ff9800;
    --info-bg: #f9f9f9;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    --empty-state-color: #ffffff;
}

@media (prefers-color-scheme: dark) {
    :root {
        /* Dark theme variables */
        --bg-gradient: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
        --card-bg: #2d3748;
        --text-color: #f7fafc;
        --text-light: #cbd5e0;
        --text-muted: #a0aec0;
        --border-color: #4a5568;
        --border-focus: #667eea;
        --button-bg: #667eea;
        --button-hover: #5568d3;
        --secondary-bg: #4a5568;
        --secondary-hover: #718096;
        --success-color: #48bb78;
        --error-color: #f56565;
        --warning-color: #ed8936;
        --info-bg: #1a202c;
        --shadow: rgba(0, 0, 0, 0.3);
        --shadow-hover: rgba(0, 0, 0, 0.4);
        --empty-state-color: #f7fafc;
    }
}

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

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
        Cantarell, sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    padding: 20px;
    transition: background 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.header {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 40px var(--shadow);
    margin-bottom: 30px;
    transition:
        background 0.3s ease,
        box-shadow 0.3s ease;
}

.header h1 {
    color: var(--text-color);
    margin-bottom: 0;
    font-size: 32px;
}

.order-counter {
    background: var(--button-bg);
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
    transition: all 0.3s;
    cursor: default;
}

.controls {
    display: grid;
    grid-template-columns: 1fr 1fr auto auto;
    gap: 15px;
    margin-bottom: 20px;
}

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

.control-group label {
    font-size: 12px;
    color: var(--text-light);
    text-transform: uppercase;
    margin-bottom: 6px;
    font-weight: 600;
}

.control-group input,
.control-group select {
    padding: 10px 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: var(--card-bg);
    color: var(--text-color);
    transition:
        border-color 0.3s,
        background 0.3s ease,
        color 0.3s ease;
}

.control-group input:focus,
.control-group select:focus {
    outline: none;
    border-color: var(--border-focus);
}

.file-input-wrapper {
    position: relative;
    overflow: hidden;
}

.btn-group {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

button {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}

.btn-primary {
    background: var(--button-bg);
    color: white;
}

.btn-primary:hover {
    background: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: var(--secondary-bg);
    color: var(--text-color);
}

.btn-secondary:hover {
    background: var(--secondary-hover);
}

.btn-danger {
    background: var(--error-color);
    color: white;
}

.btn-danger:hover {
    background: #da190b;
}

.orders {
    display: grid;
    gap: 15px;
}

.order {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 5px 20px var(--shadow);
    overflow: hidden;
    transition: all 0.3s;
    border-left: 4px solid var(--success-color);
}

.order:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-hover);
}

.order.taken {
    border-left-color: var(--warning-color);
    background: var(--info-bg);
}

.order.taken-by-others {
    border-left-color: var(--error-color);
    background: var(--info-bg);
    opacity: 0.7;
}

.order-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.order-id {
    font-size: 20px;
    font-weight: bold;
    color: var(--text-color);
}

.order-payment {
    font-size: 18px;
    color: var(--success-color);
    font-weight: bold;
}

.order-status {
    background: var(--warning-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.order-status.taken-by-others-status {
    background: var(--error-color);
}

.order-info {
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    background: var(--info-bg);
}

.info-item {
    display: flex;
    flex-direction: column;
}

.info-label {
    color: var(--text-muted);
    font-size: 11px;
    text-transform: uppercase;
    margin-bottom: 6px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.info-value {
    color: var(--text-color);
    font-weight: 500;
    font-size: 14px;
}

.points {
    padding: 20px;
}

.point {
    padding: 12px;
    background: var(--card-bg);
    border-radius: 6px;
    margin-bottom: 10px;
    border-left: 3px solid var(--button-bg);
    font-size: 13px;
}

.point:last-child {
    margin-bottom: 0;
}

.point-number {
    font-weight: bold;
    color: var(--button-bg);
    margin-right: 8px;
}

.point-address {
    display: block;
    margin-bottom: 6px;
    color: var(--text-color);
}

.point-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 12px;
}

.order-actions {
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
}

.order-actions button {
    flex: 1;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--empty-state-color);
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.empty-state h2 {
    font-size: 24px;
    margin-bottom: 10px;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background-color: var(--card-bg);
    margin: 10% auto;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 15px;
}

.modal-header h2 {
    margin: 0;
    color: var(--text-color);
}

.close {
    font-size: 28px;
    font-weight: bold;
    color: var(--text-muted);
    cursor: pointer;
    background: none;
    border: none;
}

.close:hover {
    color: var(--text-color);
}

textarea {
    width: 100%;
    min-height: 200px;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-family: monospace;
    font-size: 13px;
    resize: vertical;
    background: var(--card-bg);
    color: var(--text-color);
    transition:
        border-color 0.3s,
        background 0.3s ease,
        color 0.3s ease;
}
    transition:
        border-color 0.3s,
        background 0.3s ease,
        color 0.3s ease;
}

textarea:focus {
    outline: none;
    border-color: var(--border-focus);
}

.modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.modal-actions button {
    flex: 1;
}

.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--text-color);
    color: var(--card-bg);
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    animation: slideUp 0.3s;
    z-index: 2000;
}

@keyframes slideUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.toast.success {
    background: var(--success-color);
}

.toast.error {
    background: var(--error-color);
}

.loader {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 3000;
    justify-content: center;
    align-items: center;
}

.loader.active {
    display: flex;
}

.spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 4px solid white;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.api-modal-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.api-form {
    display: grid;
    gap: 15px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.dropdown {
    position: relative;
    display: inline-block;
    width: 100%;
}

.dropdown-button {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--card-bg);
    color: var(--text-color);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition:
        border-color 0.3s,
        background 0.3s ease,
        color 0.3s ease;
        color 0.3s ease;
}

.dropdown-button:hover {
    border-color: var(--border-focus);
}

.dropdown-button.active {
    border-color: var(--border-focus);
    background: var(--info-bg);
}

.dropdown-arrow {
    transition: transform 0.3s;
    font-size: 12px;
}

.dropdown-button.active .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    display: none;
    position: absolute;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 5px 20px var(--shadow);
    z-index: 1000;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 5px;
    max-height: 300px;
    overflow-y: auto;
}

.dropdown-menu.active {
    display: block;
}

.checkbox-item {
    padding: 10px 15px;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: background 0.2s;
    border-bottom: 1px solid var(--border-color);
}

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

.checkbox-item:hover {
    background: var(--info-bg);
}

.checkbox-item input[type="checkbox"] {
    margin-right: 10px;
    cursor: pointer;
    width: 16px;
    height: 16px;
}

.checkbox-label {
    cursor: pointer;
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkbox-label span {
    font-size: 14px;
    color: var(--text-color);
}

.checkbox-text {
    font-size: 12px;
    color: var(--text-light);
}

.sort-item {
    padding: 10px 15px;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: background 0.2s;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-color);
}

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

.sort-item:hover {
    background: var(--info-bg);
}

.sort-item.active {
    background: var(--info-bg);
    color: var(--button-bg);
    font-weight: 600;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .controls {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .header {
        padding: 15px;
        margin-bottom: 20px;
    }

    .header h1 {
        font-size: 24px;
        margin-bottom: 0;
    }

    .order-counter {
        font-size: 13px;
        padding: 9px 16px;
    }

    .controls {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-bottom: 15px;
    }

    .btn-group {
        gap: 8px;
    }

    .btn-group button {
        flex: 1;
        padding: 10px 16px;
        font-size: 13px;
    }

    .modal-content {
        width: 95%;
        margin: 30% auto;
        padding: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .api-modal-header {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .order-header {
        padding: 15px;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .order-info {
        padding: 15px;
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .points {
        padding: 15px;
    }

    .point {
        padding: 10px;
        margin-bottom: 8px;
        font-size: 12px;
    }

    .order-actions {
        flex-direction: column;
        padding: 10px 15px;
        gap: 8px;
    }

    .order-actions button {
        padding: 10px;
        font-size: 13px;
    }

    .dropdown-menu {
        max-height: 250px;
    }

    .checkbox-item {
        padding: 8px 12px;
        font-size: 13px;
    }

    .control-group input,
    .control-group select {
        padding: 9px 10px;
        font-size: 13px;
    }

    button {
        padding: 9px 16px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 8px;
    }

    .header {
        padding: 12px;
        margin-bottom: 15px;
    }

    .header h1 {
        font-size: 20px;
        margin-bottom: 0;
    }

    .order-counter {
        font-size: 12px;
        padding: 8px 14px;
    }

    .controls {
        grid-template-columns: 1fr;
        gap: 8px;
        margin-bottom: 10px;
    }

    .control-group label {
        font-size: 11px;
        margin-bottom: 5px;
    }

    .control-group input,
    .control-group select {
        padding: 8px 10px;
        font-size: 12px;
        border: 2px solid var(--border-color);
    }

    button {
        padding: 8px 14px;
        font-size: 12px;
    }

    .btn-group {
        gap: 6px;
    }

    .order {
        border-radius: 8px;
    }

    .order-header {
        padding: 12px;
        gap: 8px;
    }

    .order-id {
        font-size: 16px;
    }

    .order-payment {
        font-size: 14px;
    }

    .order-info {
        padding: 12px;
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .info-label {
        font-size: 10px;
        margin-bottom: 4px;
    }

    .info-value {
        font-size: 13px;
    }

    .points {
        padding: 12px;
    }

    .point {
        padding: 8px;
        margin-bottom: 6px;
        font-size: 11px;
    }

    .point-number {
        font-size: 12px;
    }

    .point-address {
        font-size: 12px;
        margin-bottom: 4px;
    }

    .point-meta {
        font-size: 10px;
        flex-direction: column;
        gap: 2px;
    }

    .order-actions {
        padding: 8px 12px;
        gap: 6px;
    }

    .order-actions button {
        padding: 8px;
        font-size: 12px;
    }

    .modal-content {
        width: 95%;
        margin: 40% auto;
        padding: 15px;
    }

    .modal-header {
        padding-bottom: 12px;
        margin-bottom: 15px;
    }

    .modal-header h2 {
        font-size: 18px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .api-modal-header {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .api-form {
        gap: 10px;
    }

    .dropdown-menu {
        max-height: 200px;
    }

    .checkbox-item {
        padding: 8px 10px;
        font-size: 12px;
    }

    .empty-state {
        padding: 40px 15px;
    }

    .empty-state-icon {
        font-size: 48px;
        margin-bottom: 15px;
    }

    .empty-state h2 {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .empty-state p {
        font-size: 12px;
    }

    .toast {
        bottom: 10px;
        right: 10px;
        left: 10px;
        padding: 12px 15px;
        font-size: 12px;
    }
}