/**
 * Atestado Fácil - Global CSS
 * Sistema de Design Responsivo
 */
:root {
  --color-primary: #10b981;
  --color-primary-hover: #059669;
  --color-primary-light: #d1fae5;
  --color-accent: #fb923c;
  --color-accent-hover: #f97316;
  --color-dark: #000000;
  --color-dark-soft: #f1f5f9;
  --color-bg: #ffffff;
  --color-bg-card: #ffffff;
  --color-text: #000000;
  --color-text-muted: #374151;
  --color-border: #e5e7eb;
  --color-success: #10b981;
  --color-success-bg: #d1fae5;
  --color-warning: #fbbf24;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', var(--font-sans);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -2px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -4px rgba(15, 23, 42, 0.1);
  --radius: 12px;
  --radius-lg: 16px;
  --header-height: 72px;
}

/* Mobile First - Variáveis adaptadas */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }
}

/* Notebooks pequenos (1024px - 1366px) */
@media (min-width: 992px) and (max-width: 1366px) {
  :root {
    --header-height: 68px;
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: var(--color-primary-hover);
}

/* Container Responsivo */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 576px) {
  .container { padding: 0 24px; }
}

@media (min-width: 992px) {
  .container { padding: 0 32px; }
}

/* Notebooks pequenos - Container mais compacto */
@media (min-width: 992px) and (max-width: 1366px) {
  .container {
    max-width: 1100px;
    padding: 0 24px;
  }
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

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

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary-light);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
}
.btn-ghost:hover {
  background: var(--color-border);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

/* Mobile: Botões menores */
@media (max-width: 480px) {
  .btn {
    padding: 10px 16px;
    font-size: 0.875rem;
  }
  .btn-lg {
    padding: 12px 24px;
    font-size: 0.9375rem;
  }
}

/* Cards */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 20px;
  border: 1px solid var(--color-border);
}

@media (min-width: 576px) {
  .card { padding: 24px; }
}

.card-dark {
  background: #f8fafc;
  border-color: var(--color-border);
  color: var(--color-text);
}

/* Utilitários */
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

/* Hide on mobile/desktop */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}
@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

/* Scroll to top - Fixo, não conflita com chat */
.scroll-top {
  position: fixed;
  bottom: 100px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s, transform 0.2s;
  z-index: 997;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .scroll-top {
    bottom: 90px;
    right: 16px;
    width: 40px;
    height: 40px;
  }
}