/* Premium Glassmorphism & SaaS UI */

:root {
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
  --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #10b981 100%);
  --gradient-secondary: linear-gradient(135deg, #f43f5e 0%, #8b5cf6 100%);
  --input-bg: #f9fafb;
  --input-border: #e5e7eb;
}

[data-theme="dark"] {
  --glass-bg: rgba(30, 30, 40, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
  --input-bg: #1f2937;
  --input-border: #374151;
}

body {
  background: var(--background);
  transition: background 0.3s ease, color 0.3s ease;
}

/* Page Background Gradient */
.tool-page-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: radial-gradient(circle at 15% 50%, rgba(79, 70, 229, 0.08), transparent 25%),
              radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.08), transparent 25%);
}

[data-theme="dark"] .tool-page-bg {
  background: radial-gradient(circle at 15% 50%, rgba(79, 70, 229, 0.15), transparent 25%),
              radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.15), transparent 25%);
}

/* Glass Card */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--glass-shadow);
  padding: 1.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin-bottom: 1.5rem;
}

.glass-card:hover {
  box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.1);
}

[data-theme="dark"] .glass-card:hover {
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
}

/* Hero Section */
.tool-hero {
  padding: 180px 1rem 3rem;
  text-align: center;
  position: relative;
  z-index: 10;
}

.tool-hero h1 {
  font-size: 2.5rem;
  line-height: 1.3;
  padding-bottom: 0.1em;
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  position: relative;
  z-index: 15;
}

.tool-hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2rem;
  position: relative;
  z-index: 15;
}

/* Layout */
.tool-layout {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem 3rem;
  align-items: start;
}

@media (max-width: 992px) {
  .tool-layout {
    grid-template-columns: 1fr;
  }
}

/* Forms & Inputs */
.premium-input {
  width: 100%;
  padding: 0.8rem 1rem 0.8rem 2.5rem;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 12px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.02);
}

.premium-input:focus {
  outline: none;
  border-color: #4f46e5;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
  background: var(--background);
}

.input-icon-wrapper {
  position: relative;
  margin-bottom: 1.2rem;
}

.input-icon-wrapper svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.input-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

/* Buttons */
.btn-gradient {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 0.8rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
  width: 100%;
  font-size: 1rem;
}

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  border-radius: 10px;
  padding: 0.5rem 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
}
[data-theme="dark"] .btn-glass {
  background: rgba(0, 0, 0, 0.2);
}
.btn-glass:hover {
  background: rgba(79, 70, 229, 0.1);
  color: #4f46e5;
  border-color: #4f46e5;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-box {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--glass-shadow);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(79, 70, 229, 0.1);
  color: #4f46e5;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-info h4 {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0 0 0.2rem;
}

.stat-info p {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-main);
}

/* Sticky Action Bar */
.sticky-action-bar {
  position: sticky;
  top: 90px;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 0.8rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.action-group {
  display: flex;
  gap: 0.5rem;
}

/* Editor Overrides */
.editor-container {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.editor-toolbar {
  background: rgba(0,0,0,0.02);
  border-bottom: 1px solid var(--glass-border);
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  padding: 1rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

[data-theme="dark"] .editor-toolbar {
  background: rgba(255,255,255,0.02);
}

.editor-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.5rem;
  color: var(--text-main);
  transition: all 0.2s;
}

.editor-btn:hover {
  background: var(--glass-border);
  border-color: var(--input-border);
}

.editor-content {
  border: none;
  border-radius: 0 0 20px 20px;
  background: transparent;
  padding: 2rem;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Tags / Templates */
.template-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.template-tag {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.template-tag:hover {
  background: #4f46e5;
  color: #fff;
  border-color: #4f46e5;
}

/* Notifications */
.notification-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.notification {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-left: 4px solid #10b981;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  animation: slideIn 0.3s ease forwards, fadeOut 0.5s ease 3s forwards;
  opacity: 0;
  transform: translateX(100%);
}

@keyframes slideIn {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* Loading Overlay */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  z-index: 50;
  border-radius: 20px;
}

.loading-overlay.active {
  display: flex;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(79, 70, 229, 0.2);
  border-top-color: #4f46e5;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

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

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}
.empty-state svg {
  width: 120px;
  height: 120px;
  margin-bottom: 1.5rem;
  opacity: 0.5;
}

/* Dark Mode Toggle */
.theme-toggle-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: var(--glass-shadow);
}
.theme-toggle-btn:hover {
  transform: scale(1.05);
}

/* Image Upload specific overrides */
.image-upload-area {
  background: var(--input-bg);
  border: 2px dashed var(--input-border);
}
@media (max-width: 768px) {
  .tool-hero h1 {
    font-size: 2rem;
  }
}

/* Nav specific fixes for tool.html */
.nav {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
}
.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  margin: 0;
  padding: 0;
}
.nav-links li a {
  font-weight: 500;
  color: var(--text-main);
  transition: color 0.3s;
}
.nav-links li a:hover,
.nav-links li a.active {
  color: #4f46e5;
}
@media (max-width: 768px) {
  .nav-links {
    gap: 0.8rem;
  }
  .nav-links li a {
    font-size: 0.85rem;
  }
}