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

:root {
    --primary-color: #007AFF;
    --primary-dark: #0051D5;
    --secondary-color: #FF9500;
    --success-color: #34C759;
    --danger-color: #FF3B30;
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F7;
    --border-color: #D2D2D7;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    line-height: 1.6;
}

/* Login Page */
.login-page {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-box {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: var(--shadow-lg);
}

.login-box h1 {
    font-size: 32px;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 10px;
}

.login-box .subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

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

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

.btn-block {
    width: 100%;
}

.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background-color: #FFEBEE;
    color: var(--danger-color);
    border: 1px solid #FFCDD2;
}

.login-info {
    margin-top: 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 12px;
}

/* App Page */
.app-page {
    min-height: 100vh;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--bg-primary);
    min-height: 100vh;
}

.app-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 20px;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.app-header h1 {
    font-size: 28px;
    font-weight: 700;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 14px;
}

.btn-logout {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    transition: background-color 0.3s;
}

.btn-logout:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* Search Section */
.search-section {
    padding: 30px 20px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.search-form {
    max-width: 800px;
    margin: 0 auto;
}

.search-box {
    display: flex;
    gap: 10px;
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 5px;
    box-shadow: var(--shadow);
}

.search-box input {
    flex: 1;
    padding: 15px 20px;
    border: none;
    background: transparent;
    font-size: 16px;
    color: var(--text-primary);
}

.search-box input:focus {
    outline: none;
}

.search-box input::placeholder {
    color: var(--text-secondary);
}

.btn-search {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 25px;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
}

.btn-search:hover {
    background: var(--primary-dark);
}

/* Main Content */
.app-main {
    padding: 30px 20px;
}

.results-header {
    margin-bottom: 25px;
}

.results-header h2 {
    font-size: 24px;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.results-count {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Peças Grid */
.pecas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.peca-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.peca-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.peca-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.peca-header h3 {
    font-size: 18px;
    color: var(--text-primary);
    flex: 1;
    margin-right: 10px;
}

.peca-categoria {
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.peca-info {
    margin-bottom: 15px;
}

.info-item {
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.info-item strong {
    color: var(--text-primary);
}

.peca-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.peca-preco {
    display: flex;
    flex-direction: column;
}

.preco-label {
    font-size: 12px;
    color: var(--text-secondary);
}

.preco-valor {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
}

.estoque-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.estoque-badge.em-estoque {
    background: #E8F5E9;
    color: var(--success-color);
}

.estoque-badge.sem-estoque {
    background: #FFEBEE;
    color: var(--danger-color);
}

.fornecedor-info {
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
}

.fornecedor-nome {
    margin-bottom: 8px;
    color: var(--text-primary);
}

.fornecedor-contato,
.fornecedor-endereco {
    color: var(--text-secondary);
    margin-bottom: 5px;
}

/* Welcome Section */
.welcome-section {
    text-align: center;
    padding: 60px 20px;
    max-width: 600px;
    margin: 0 auto;
}

.welcome-icon {
    font-size: 80px;
    margin-bottom: 20px;
}

.welcome-section h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.welcome-section>p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 16px;
}

.search-examples {
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 25px;
    text-align: left;
    margin-top: 30px;
}

.search-examples p {
    margin-bottom: 15px;
    color: var(--text-primary);
    font-weight: 600;
}

.search-examples ul {
    list-style: none;
    padding-left: 0;
}

.search-examples li {
    padding: 10px 15px;
    margin-bottom: 8px;
    background: var(--bg-primary);
    border-radius: 8px;
    color: var(--text-secondary);
    border-left: 3px solid var(--primary-color);
}

/* No Results */
.no-results {
    text-align: center;
    padding: 60px 20px;
    max-width: 500px;
    margin: 0 auto;
}

.no-results-icon {
    font-size: 80px;
    margin-bottom: 20px;
}

.no-results h2 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.no-results p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.suggestion {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .pecas-grid {
        grid-template-columns: 1fr;
    }

    .search-box {
        flex-direction: column;
    }

    .btn-search {
        width: 100%;
    }

    .peca-footer-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 10px;
    }

    .peca-preco {
        font-size: 18px;
        color: var(--primary-color);
        font-weight: 800;
    }

    .btn-rota {
        background: var(--primary-color);
        color: white;
        border: none;
        padding: 8px 16px;
        border-radius: 20px;
        font-size: 13px;
        font-weight: 700;
        display: flex;
        align-items: center;
        gap: 6px;
        cursor: pointer;
        transition: all 0.2s ease;
        box-shadow: 0 4px 10px rgba(255, 107, 53, 0.3);
    }

    .btn-rota:active {
        transform: scale(0.95);
        box-shadow: 0 2px 5px rgba(255, 107, 53, 0.2);
    }

    .btn-rota svg {
        margin-top: -1px;
    }
}