/* Wizard de Ajuste de pH Power Fert - CSS Modular */
/* Paleta: Azul celeste (#4FC3F7) e Laranja (#FF9800) do Aquarismo Sereno */

:root {
    /* Cores principais */
    --primary-blue: #4FC3F7;
    --primary-orange: #FF9800;
    --primary-orange-hover: #F57C00;
    
    /* Cores de fundo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    
    /* Cores de texto */
    --text-primary: #2d3a4a;
    --text-secondary: #6c757d;
    --text-muted: #9ca3af;
    
    /* Cores de estado */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Cores de borda */
    --border-light: #e5e7eb;
    --border-medium: #d1d5db;
    --border-focus: var(--primary-blue);
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transições */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Tipografia */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* Tema escuro */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1f2937;
        --bg-secondary: #111827;
        --bg-card: #374151;
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
        --text-muted: #9ca3af;
        --border-light: #4b5563;
        --border-medium: #6b7280;
    }
}

/* Container principal */
.wizard-container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    margin-top: 15px;
}

/* Gradiente de identidade no topo - Power Fert */
.wizard-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #10b981 0%, #059669 50%, #047857 100%);
}

/* Barra de progresso */
.progress-container {
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981 0%, #059669 50%, #047857 100%);
    border-radius: var(--radius-sm);
    transition: width var(--transition-normal);
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Cards de pergunta */
.question-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
}

.question-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.question-card.typing::after {
    content: '|';
    animation: blink 1s infinite;
    color: #10b981;
    font-weight: bold;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Transições suaves para cards */
.question-card, .result-card {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.35s cubic-bezier(.4,0,.2,1), transform 0.35s cubic-bezier(.4,0,.2,1);
}

.card-fade-out {
    opacity: 0;
    transform: translateY(24px);
    pointer-events: none;
}

.card-fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* Loader interno ao card */
.card-loader {
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border-radius: var(--radius-lg);
}

/* Cabeçalho do card */
.card-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
}

.card-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981, #059669);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-lg);
    font-weight: bold;
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
}

/* Pergunta */
.question-text {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

/* Dica */
.question-tip {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
    border-left: 4px solid #10b981;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Campos de formulário */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    font-family: var(--font-family);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input.error,
.form-select.error {
    border-color: var(--error);
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-family);
    min-height: 44px; /* Acessibilidade */
    min-width: 44px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-medium);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--border-light);
    border-color: #10b981;
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    min-height: 36px;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-lg);
    min-height: 52px;
}

/* Container de botões */
.btn-container {
    display: flex;
    gap: var(--spacing-md);
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

/* Estado inicial dos botões - ocultos */
.btn-container-hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

/* Animação de fade-in para botões */
.btn-container-fade-in {
    animation: btnFadeIn 0.5s ease-out forwards;
}

@keyframes btnFadeIn {
    0% {
        opacity: 0;
        visibility: hidden;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
}

/* Animação de fade-in para ações rápidas */
.quick-actions-fade-in {
    animation: quickActionsFadeIn 0.5s ease-out forwards;
}

@keyframes quickActionsFadeIn {
    0% {
        opacity: 0;
        transform: translateY(15px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Botões dentro do container */
.btn-container .btn {
    flex: 1;
}

/* Loader */
.loader {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    color: #10b981;
    font-size: var(--font-size-lg);
}

.loader-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-light);
    border-top: 3px solid #10b981;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: var(--spacing-md);
}

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

/* Card de resultado */
.result-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.result-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.result-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.result-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Resumo */
.result-summary {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(5, 150, 105, 0.05));
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.summary-item {
    text-align: center;
}

.summary-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

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

/* Alertas */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid;
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-left-color: var(--warning);
    color: #92400e;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-left-color: var(--error);
    color: #991b1b;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-left-color: var(--info);
    color: #1e40af;
}

/* Dicas */
.tips-section {
    margin-bottom: var(--spacing-xl);
}

.tips-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tips-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-secondary);
    line-height: 1.5;
}

.tips-list li::before {
    content: '💡';
    position: absolute;
    left: 0;
    top: var(--spacing-sm);
    color: #10b981;
}

/* Plano */
.plan-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.plan-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.plan-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.plan-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-secondary);
    line-height: 1.5;
}

.plan-list li::before {
    content: '✅';
    position: absolute;
    left: 0;
    top: var(--spacing-sm);
    color: #10b981;
}

/* Explicação técnica (accordion) */
.explanation-section {
    margin-bottom: var(--spacing-xl);
}

.explanation-toggle {
    width: 100%;
    background: none;
    border: none;
    padding: var(--spacing-md);
    text-align: left;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-weight: 500;
}

.explanation-toggle:hover {
    background: var(--bg-secondary);
}

.explanation-toggle::after {
    content: '▼';
    transition: transform var(--transition-fast);
    color: #10b981;
}

.explanation-toggle.expanded::after {
    transform: rotate(180deg);
}

.explanation-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    background: var(--bg-secondary);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    margin-top: -1px;
}

.explanation-content.expanded {
    max-height: 500px;
    padding: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

/* Ações rápidas */
.quick-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

/* Estado inicial das ações rápidas - ocultas */
.quick-actions-hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
}

/* Toast/Snackbar */
.toast {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-toast);
    max-width: 300px;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
}

.toast.show {
    transform: translateX(0);
}

.toast-success {
    border-left: 4px solid var(--success);
}

.toast-error {
    border-left: 4px solid var(--error);
}

.toast-warning {
    border-left: 4px solid var(--warning);
}

/* Responsividade */
@media (max-width: 768px) {
    .wizard-container {
        margin: var(--spacing-sm);
        padding: var(--spacing-md);
        border-radius: var(--radius-lg);
    }
    
    .card-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .card-icon {
        width: 32px;
        height: 32px;
        font-size: var(--font-size-base);
    }
    
    .card-title {
        font-size: var(--font-size-lg);
    }
    
    .question-text {
        font-size: var(--font-size-base);
    }
    
    .btn-container {
        flex-direction: column;
    }
    
    .btn-container .btn {
        width: 100%;
    }
    
    .summary-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .quick-actions {
        flex-direction: column;
    }
    
    .quick-actions .btn {
        width: 100%;
    }
    
    .toast {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        max-width: none;
    }
}

@media (max-width: 480px) {
    .wizard-container {
        margin: 0;
        border-radius: 0;
        min-height: 100vh;
    }
    
    .question-card,
    .result-card {
        padding: var(--spacing-md);
    }
    
    .btn {
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
    }
}

/* Acessibilidade */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Foco visível para navegação por teclado */
.btn:focus-visible,
.form-input:focus-visible,
.form-select:focus-visible,
.explanation-toggle:focus-visible {
    outline: 2px solid #10b981;
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --border-light: #000000;
        --border-medium: #000000;
        --text-muted: #000000;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* Print styles */
@media print {
    .wizard-container {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .btn-container,
    .quick-actions {
        display: none;
    }
    
    .question-card,
    .result-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}