/**
 * Estilos Principais - Image Host
 * Código 1615
 */

/* ===== VARIÁVEIS E RESET ===== */
:root {
  --primary: #016cec;
  --secondary: #00b3f8;
  --accent: #c0aa88;
  --dark: #1a1a2e;
  --dark-secondary: #16213e;
  --card-bg: #0f3460;
  --text: #ffffff;
  --text-secondary: #a0a0a0;
  --success: #00e676;
  --error: #ff5252;
  --warning: #ffc107;
  --border: #2a2a40;
  --hover: rgba(1, 108, 236, 0.1);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-secondary) 100%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ===== TIPOGRAFIA ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

/* ===== BOTÕES ===== */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(1, 108, 236, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(1, 108, 236, 0.4);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
}

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

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

.btn.loading .btn-text {
  opacity: 0;
}

.btn.loading .btn-loader {
  display: flex !important;
  position: absolute;
}

/* ===== SPINNER ===== */
.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ===== FORMULÁRIOS ===== */
.form-group {
  margin-bottom: 20px;
}

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

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--dark-secondary);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 16px;
  transition: var(--transition);
  font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(1, 108, 236, 0.1);
}

.error-message {
  display: block;
  color: var(--error);
  font-size: 14px;
  margin-top: 6px;
}

/* ===== CHECKBOX CUSTOMIZADO ===== */
.checkbox-container {
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.checkbox-container input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-right: 10px;
  cursor: pointer;
  accent-color: var(--primary);
}

/* ===== CARDS ===== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.card:hover {
  border-color: var(--primary);
  box-shadow: 0 6px 30px rgba(1, 108, 236, 0.2);
}

/* ===== NOTIFICAÇÕES TOAST ===== */
#toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 400px;
}

.toast {
  background: var(--card-bg);
  color: var(--text);
  padding: 16px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--error); }
.toast.warning { border-left-color: var(--warning); }

.toast.fade-out {
  animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translateX(400px);
  }
}

/* ===== LINKS ===== */
.link {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

.link:hover {
  color: var(--secondary);
  text-decoration: underline;
}

/* ===== RESPONSIVO ===== */
@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  
  #toast-container {
    left: 12px;
    right: 12px;
    max-width: none;
  }
}