/* ============================================================================
   MODERN DESIGN SYSTEM - IMÓVEL FEITO ONLINE
   Mobile-First | Cores Vibrantes | UX Excepcional
   ============================================================================ */

/* ============================================================================
   1. CSS VARIABLES - Design Tokens
   ============================================================================ */
:root {
  /* === CORES PRIMÁRIAS === */
  --primary-50: #EFF6FF;
  --primary-100: #DBEAFE;
  --primary-200: #BFDBFE;
  --primary-300: #93C5FD;
  --primary-400: #60A5FA;
  --primary-500: #3B82F6;
  --primary-600: #2563EB;
  --primary-700: #1D4ED8;
  --primary-800: #1E40AF;
  --primary-900: #1E3A8A;
  
  /* === CORES SECUNDÁRIAS === */
  --secondary-50: #ECFDF5;
  --secondary-100: #D1FAE5;
  --secondary-200: #A7F3D0;
  --secondary-300: #6EE7B7;
  --secondary-400: #34D399;
  --secondary-500: #10B981;
  --secondary-600: #059669;
  --secondary-700: #047857;
  --secondary-800: #065F46;
  --secondary-900: #064E3B;
  
  /* === CORES ACCENT === */
  --accent-50: #FEF3C7;
  --accent-100: #FDE68A;
  --accent-200: #FCD34D;
  --accent-300: #FBBF24;
  --accent-400: #F59E0B;
  --accent-500: #D97706;
  --accent-600: #B45309;
  --accent-700: #92400E;
  --accent-800: #78350F;
  --accent-900: #451A03;
  
  /* === CORES NEUTRAS === */
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* === CORES SEMÂNTICAS === */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;
  
  /* === GRADIENTES === */
  --gradient-primary: linear-gradient(135deg, #2563EB 0%, #3B82F6 100%);
  --gradient-secondary: linear-gradient(135deg, #059669 0%, #10B981 100%);
  --gradient-accent: linear-gradient(135deg, #D97706 0%, #F59E0B 100%);
  --gradient-hero: linear-gradient(135deg, rgba(37, 99, 235, 0.9) 0%, rgba(59, 130, 246, 0.8) 100%);
  
  /* === TIPOGRAFIA === */
  --font-sans: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Courier New', monospace;
  
  /* Tamanhos de Fonte - Escala Modular (1.25) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.375vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
  --text-3xl: clamp(1.875rem, 1.65rem + 1.125vw, 2.25rem);
  --text-4xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem);
  --text-5xl: clamp(3rem, 2.5rem + 2.5vw, 3.75rem);
  
  /* Pesos de Fonte */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* === ESPAÇAMENTO === */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */
  
  /* === BORDAS === */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;
  
  /* === 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);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  
  /* === TRANSIÇÕES === */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* === Z-INDEX === */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  
  /* === BREAKPOINTS (para uso em JS) === */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* ============================================================================
   2. RESET & BASE STYLES
   ============================================================================ */

/* Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
}

/* Reset Margins */
* {
  margin: 0;
  padding: 0;
}

/* Body */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--gray-800);
  background-color: var(--gray-50);
  overflow-x: hidden;
}

/* Tipografia Base */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--gray-900);
  margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

/* Links */
a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-700);
}

a:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Imagens */
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Formulários */
input, button, textarea, select {
  font: inherit;
}

/* Remove spinner de inputs number */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* ============================================================================
   3. LAYOUT UTILITIES
   ============================================================================ */

/* Container */
.container-modern {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 640px) {
  .container-modern {
    max-width: 640px;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

@media (min-width: 768px) {
  .container-modern {
    max-width: 768px;
  }
}

@media (min-width: 1024px) {
  .container-modern {
    max-width: 1024px;
  }
}

@media (min-width: 1280px) {
  .container-modern {
    max-width: 1280px;
  }
}

@media (min-width: 1536px) {
  .container-modern {
    max-width: 1536px;
  }
}

/* Grid System */
.grid-modern {
  display: grid;
  gap: var(--space-6);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }

@media (min-width: 640px) {
  .grid-cols-sm-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .grid-cols-md-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-cols-md-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .grid-cols-lg-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-cols-lg-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Flexbox Utilities */
.flex-modern {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ============================================================================
   4. COMPONENTES - BOTÕES
   ============================================================================ */

.btn-modern {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: var(--leading-none);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-modern:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

.btn-modern:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Botão Primário */
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

/* Botão Secundário */
.btn-secondary {
  background: var(--gradient-secondary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Botão Accent */
.btn-accent {
  background: var(--gradient-accent);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-accent:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Botão Outline */
.btn-outline {
  background: transparent;
  color: var(--primary-600);
  border: 2px solid var(--primary-600);
  box-shadow: none;
}

.btn-outline:hover:not(:disabled) {
  background: var(--primary-50);
  border-color: var(--primary-700);
  color: var(--primary-700);
}

/* Botão Ghost */
.btn-ghost {
  background: transparent;
  color: var(--gray-700);
  box-shadow: none;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--gray-100);
}

/* Tamanhos de Botão */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn-xl {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-xl);
}

/* Botão Full Width */
.btn-block {
  width: 100%;
}

/* ============================================================================
   5. COMPONENTES - CARDS
   ============================================================================ */

.card-modern {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card-modern:hover .card-image img {
  transform: scale(1.05);
}

.card-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--primary-600);
  box-shadow: var(--shadow-md);
}

.card-body {
  padding: var(--space-6);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--gray-900);
  margin-bottom: var(--space-2);
}

.card-text {
  color: var(--gray-600);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.card-price {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: auto;
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
}

/* ============================================================================
   6. COMPONENTES - INPUTS & FORMS
   ============================================================================ */

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--gray-700);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--gray-900);
  background-color: white;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input::placeholder {
  color: var(--gray-400);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-position: right var(--space-3) center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: var(--space-10);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Input com ícone */
.input-with-icon {
  position: relative;
}

.input-with-icon .form-input {
  padding-left: var(--space-10);
}

.input-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}

/* ============================================================================
   7. COMPONENTES - BADGES & TAGS
   ============================================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background: var(--primary-100);
  color: var(--primary-700);
}

.badge-secondary {
  background: var(--secondary-100);
  color: var(--secondary-700);
}

.badge-accent {
  background: var(--accent-100);
  color: var(--accent-700);
}

.badge-success {
  background: #D1FAE5;
  color: #065F46;
}

.badge-warning {
  background: #FEF3C7;
  color: #92400E;
}

.badge-error {
  background: #FEE2E2;
  color: #991B1B;
}

/* ============================================================================
   8. ANIMAÇÕES & EFEITOS
   ============================================================================ */

/* Fade In */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-base) ease-in;
}

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

.animate-slide-up {
  animation: slideUp var(--transition-base) ease-out;
}

/* Pulse */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Spin */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* Glassmorphism */
.glass {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-dark {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================================================
   9. UTILITY CLASSES
   ============================================================================ */

/* Spacing */
.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Text Colors */
.text-primary { color: var(--primary-600); }
.text-secondary { color: var(--secondary-600); }
.text-accent { color: var(--accent-500); }
.text-gray { color: var(--gray-600); }
.text-muted { color: var(--gray-500); }

/* Background Colors */
.bg-primary { background-color: var(--primary-600); }
.bg-secondary { background-color: var(--secondary-600); }
.bg-gray-50 { background-color: var(--gray-50); }
.bg-white { background-color: white; }

/* Font Weights */
.font-light { font-weight: var(--font-light); }
.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-none { box-shadow: none; }

/* Rounded Corners */
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* Width */
.w-full { width: 100%; }
.w-auto { width: auto; }

/* Height */
.h-full { height: 100%; }
.h-auto { height: auto; }

/* ============================================================================
   10. RESPONSIVE UTILITIES
   ============================================================================ */

/* Hide on Mobile */
@media (max-width: 767px) {
  .hide-mobile {
    display: none !important;
  }
}

/* Hide on Desktop */
@media (min-width: 768px) {
  .hide-desktop {
    display: none !important;
  }
}

/* Show only on Mobile */
.show-mobile {
  display: block;
}

@media (min-width: 768px) {
  .show-mobile {
    display: none;
  }
}

/* Show only on Desktop */
.show-desktop {
  display: none;
}

@media (min-width: 768px) {
  .show-desktop {
    display: block;
  }
}