:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --bg-gradient-start: #f8fafc;
    --bg-gradient-end: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --card-bg: rgba(255, 255, 255, 0.7);
    --card-border: rgba(255, 255, 255, 0.4);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Status Colors */
    --status-confirmado-bg: #dcfce7;
    --status-confirmado-text: #166534;
    --status-pendente-bg: #fef08a;
    --status-pendente-text: #854d0e;
    --status-cancelado-bg: #fee2e2;
    --status-cancelado-text: #991b1b;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

.app-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header & Glassmorphism */
.header {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.header-content h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    background: linear-gradient(to right, #2563eb, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Filters */
.filters-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--card-border);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.filter-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

/* Loading & Error */
.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
    gap: 1rem;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(79, 70, 229, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.error-message {
    background: #fee2e2;
    color: #991b1b;
    padding: 1rem;
    border-radius: 0.5rem;
    text-align: center;
    font-weight: 500;
}

.hidden {
    display: none !important;
}

/* Orders Grid */
.orders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

/* Order Card */
.order-card {
    background: var(--card-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    overflow: hidden;
    animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.order-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.order-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    opacity: 0.8;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.client-info h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.client-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-confirmado { background: var(--status-confirmado-bg); color: var(--status-confirmado-text); }
.status-pendente { background: var(--status-pendente-bg); color: var(--status-pendente-text); }
.status-cancelado { background: var(--status-cancelado-bg); color: var(--status-cancelado-text); }
/* Fallback */
.status-default { background: #e2e8f0; color: #475569; }

.card-body {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
}

.info-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.info-value {
    color: var(--text-primary);
    font-weight: 600;
}

.info-value.price {
    font-size: 1rem;
    color: #10b981;
}

.card-footer {
    padding-top: 1rem;
    border-top: 1px solid rgba(0,0,0,0.05);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.card-footer p {
    margin-bottom: 0.25rem;
}

.sector-chip {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: #e0e7ff;
    color: #4338ca;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    margin-top: 0.5rem;
}

/* Button Styles */
.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: #e2e8f0;
    color: var(--text-secondary);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn-secondary:hover {
    background: #cbd5e1;
}

.btn-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

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

/* Status Summary */
.status-summary {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.summary-card {
    flex: 1;
    min-width: 120px;
    background: var(--card-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    padding: 1rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.summary-card span {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
}

.summary-card strong {
    font-size: 1.5rem;
    color: var(--text-primary);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background: white;
    border-radius: 1rem;
    width: 100%;
    max-width: 600px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(0);
    transition: transform 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}

.modal.hidden .modal-content {
    transform: translateY(20px);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

/* Forms */
.order-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 640px) {
    .form-row {
        flex-direction: row;
    }
    .form-group {
        flex: 1;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1rem;
}