@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

/* Color Variables & Themes */
:root {
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Theme variables - Light Mode (Default) */
  --bg-color: #f8fafc;
  --bg-grid: rgba(245, 158, 11, 0.03);
  --text-color: #0f172a;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  
  --primary: #f59e0b; /* Amber 500 */
  --primary-hover: #d97706; /* Amber 600 */
  --primary-light: #fef3c7; /* Amber 100 */
  --primary-glow: rgba(245, 158, 11, 0.15);
  
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-border: rgba(245, 158, 11, 0.15);
  --input-bg: #ffffff;
  --input-border: #cbd5e1;
  --input-focus: #f59e0b;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-premium: 0 20px 25px -5px rgba(245, 158, 11, 0.05), 0 8px 10px -6px rgba(245, 158, 11, 0.05);

  --accent-blue: #0ea5e9;
  --accent-blue-bg: #e0f2fe;
  --accent-red: #ef4444;
  --accent-red-bg: #fee2e2;
  --accent-green: #10b981;
  --accent-green-bg: #d1fae5;
  --accent-orange: #f97316;
  --accent-orange-bg: #ffedd5;
  
  --backdrop-blur: 12px;
  --transition-speed: 0.3s;
}

[data-theme="dark"] {
  --bg-color: #0b0f19;
  --bg-grid: rgba(245, 158, 11, 0.015);
  --text-color: #f8fafc;
  --text-muted: #94a3b8;
  --text-inverse: #0b0f19;
  
  --primary: #f59e0b;
  --primary-hover: #fbbf24; /* Amber 400 */
  --primary-light: rgba(245, 158, 11, 0.15);
  --primary-glow: rgba(245, 158, 11, 0.3);
  
  --card-bg: rgba(17, 24, 39, 0.7);
  --card-border: rgba(245, 158, 11, 0.2);
  --input-bg: rgba(15, 23, 42, 0.6);
  --input-border: rgba(255, 255, 255, 0.1);
  --input-focus: #f59e0b;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-premium: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 20px 0 rgba(245, 158, 11, 0.1);

  --accent-blue-bg: rgba(14, 165, 233, 0.15);
  --accent-red-bg: rgba(239, 68, 68, 0.15);
  --accent-green-bg: rgba(16, 185, 129, 0.15);
  --accent-orange-bg: rgba(249, 115, 22, 0.15);
}

/* Reset & Global */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-speed), color var(--transition-speed);
  position: relative;
  overflow-x: hidden;
}

/* Background grid decoration */
body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, var(--bg-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--bg-grid) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* Header & Nav */
header {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: rgba(248, 250, 252, 0.8);
  backdrop-filter: blur(var(--backdrop-blur));
  border-bottom: 1px solid var(--card-border);
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

[data-theme="dark"] header {
  background-color: rgba(11, 15, 25, 0.8);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-color);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(245, 158, 11, 0.3);
  color: white;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo-tag {
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
  background-color: var(--primary-light);
  color: #d97706;
  border-radius: 6px;
  font-weight: 700;
  margin-left: 0.5rem;
  text-transform: uppercase;
}

[data-theme="dark"] .logo-tag {
  color: #fbbf24;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

nav {
  display: flex;
  gap: 0.5rem;
}

.nav-btn {
  background: none;
  border: none;
  padding: 0.6rem 1.2rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.2s ease;
  position: relative;
}

.nav-btn:hover {
  color: var(--text-color);
  background-color: rgba(245, 158, 11, 0.08);
}

.nav-btn.active {
  color: var(--primary);
  background-color: rgba(245, 158, 11, 0.12);
}

/* Theme Toggle Button */
.theme-toggle {
  background: none;
  border: 1px solid var(--card-border);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 10px;
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  background-color: var(--card-bg);
}

.theme-toggle:hover {
  background-color: var(--primary-light);
  color: var(--primary-hover);
  border-color: var(--primary);
  transform: scale(1.05);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.theme-toggle .sun-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: block;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: none;
}

/* Main Container */
main {
  flex: 1;
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
  padding: 3rem 2rem;
  z-index: 1;
}

.page {
  display: none;
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Typography elements */
h1 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

.text-gradient {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .text-gradient {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

/* Alerts / Callouts */
.alert-box {
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
  border: 1px solid transparent;
}

.alert-box.beta {
  background-color: var(--accent-orange-bg);
  border-color: rgba(249, 115, 22, 0.2);
  color: var(--text-color);
}

.alert-box.beta svg {
  color: #f97316;
  flex-shrink: 0;
}

.alert-box h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: #ea580c;
}

[data-theme="dark"] .alert-box.beta h4 {
  color: #fdba74;
}

.alert-box p {
  font-size: 0.95rem;
  line-height: 1.5;
}

.alert-box.success {
  background-color: var(--accent-green-bg);
  border-color: rgba(16, 185, 129, 0.2);
  color: var(--text-color);
}

.alert-box.error {
  background-color: var(--accent-red-bg);
  border-color: rgba(239, 68, 68, 0.2);
  color: var(--text-color);
}

/* Tutorial Page / Guide */
.guide-container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
}

@media (max-width: 850px) {
  .guide-container {
    grid-template-columns: 1fr;
  }
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 2.2rem;
  box-shadow: var(--shadow-premium);
  backdrop-filter: blur(var(--backdrop-blur));
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.card-title-icon {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.card-title-icon svg {
  color: var(--primary);
}

/* Timeline/Stepper Styles */
.stepper {
  position: relative;
  padding-left: 2rem;
}

.stepper::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background-color: var(--card-border);
}

.step {
  position: relative;
  margin-bottom: 2rem;
}

.step:last-child {
  margin-bottom: 0;
}

.step-num {
  position: absolute;
  left: -2rem;
  margin-left: -8px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  border: 4px solid var(--bg-color);
  box-shadow: var(--shadow-sm);
  z-index: 1;
}

.step-title {
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.step-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.step-desc code {
  background-color: var(--primary-light);
  color: #b45309;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.85rem;
  font-weight: 600;
}

[data-theme="dark"] .step-desc code {
  background-color: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

/* Security Awareness Panel */
.security-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.bruteforce-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

.bruteforce-table th, .bruteforce-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
}

.bruteforce-table th {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-muted);
}

.badge-unsafe {
  background-color: var(--accent-red-bg);
  color: #ef4444;
  padding: 0.15rem 0.4rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.8rem;
}

.badge-medium {
  background-color: var(--accent-orange-bg);
  color: #f97316;
  padding: 0.15rem 0.4rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.8rem;
}

.badge-safe {
  background-color: var(--accent-green-bg);
  color: #10b981;
  padding: 0.15rem 0.4rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.8rem;
}

/* Tips and Tricks Card */
.tips-container {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), rgba(249, 115, 22, 0.05));
  border: 1px dashed var(--primary);
  border-radius: 12px;
  padding: 1.25rem;
  margin-top: 1rem;
}

.tips-container h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: #d97706;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

[data-theme="dark"] .tips-container h4 {
  color: #fbbf24;
}

.tips-container p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.tips-container code {
  display: inline-block;
  background-color: var(--input-bg);
  padding: 0.15rem 0.4rem;
  border-radius: 6px;
  border: 1px solid var(--card-border);
  font-family: monospace;
  font-weight: 700;
  color: var(--text-color);
  margin: 0.2rem 0;
}

/* Interactive Password Strength Checker */
.checker-box {
  margin-top: 1rem;
}

.checker-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.checker-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.checker-input-wrapper input {
  padding-right: 2.5rem;
}

.eye-btn {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

.eye-btn:hover {
  color: var(--text-color);
}

.strength-bar-container {
  height: 6px;
  width: 100%;
  background-color: var(--input-border);
  border-radius: 3px;
  margin-top: 0.5rem;
  overflow: hidden;
}

.strength-bar {
  height: 100%;
  width: 0%;
  background-color: #ef4444;
  transition: width 0.3s ease, background-color 0.3s ease;
}

.strength-text {
  font-size: 0.8rem;
  margin-top: 0.4rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
}

.strength-desc {
  color: var(--text-muted);
}

.crack-time-span {
  font-family: monospace;
}

/* Forms Grid Layout */
.form-card {
  max-width: 600px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 500px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group.full-width {
  grid-column: span 2;
}

@media (max-width: 500px) {
  .form-group.full-width {
    grid-column: span 1;
  }
}

label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-color);
  letter-spacing: -0.2px;
}

/* Form Controls */
input[type="text"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 12px;
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-color);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Domain Suffix Input Group */
.input-group {
  display: flex;
  align-items: center;
  position: relative;
}

.input-group input {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
  flex: 1;
}

.input-suffix {
  padding: 0.8rem 1rem;
  background-color: var(--primary-light);
  border: 1px solid var(--input-border);
  border-left: none;
  border-top-right-radius: 12px;
  border-bottom-right-radius: 12px;
  color: #b45309;
  font-family: monospace;
  font-weight: 700;
  font-size: 0.95rem;
  user-select: none;
  white-space: nowrap;
}

[data-theme="dark"] .input-suffix {
  background-color: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

/* Button & Animations */
.btn-primary {
  width: 100%;
  padding: 0.9rem 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: white;
  border: none;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.35);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-primary:disabled {
  background: var(--text-muted);
  opacity: 0.7;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* Loading spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
  display: none;
}

.btn-primary.loading .spinner {
  display: block;
}

.btn-primary.loading span {
  display: none;
}

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

/* Form Feedback & Modals */
.feedback-box {
  margin-top: 1.5rem;
  border-radius: 12px;
  padding: 1rem;
  font-size: 0.95rem;
  display: none;
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.feedback-box.show {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.feedback-box.success {
  background-color: var(--accent-green-bg);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #065f46;
}

[data-theme="dark"] .feedback-box.success {
  color: #34d399;
}

.feedback-box.error {
  background-color: var(--accent-red-bg);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #991b1b;
}

[data-theme="dark"] .feedback-box.error {
  color: #f87171;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Footer */
footer {
  border-top: 1px solid var(--card-border);
  padding: 2rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  background-color: var(--card-bg);
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 600px) {
  .footer-container {
    flex-direction: column;
    gap: 1rem;
  }
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--primary);
}

/* --- RESPONSIVE MOBILE COMPATIBILITY --- */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  .section-subtitle {
    font-size: 1rem;
    margin-bottom: 1.8rem;
  }
  
  main {
    padding: 1.5rem 1rem;
  }
  
  .card {
    padding: 1.5rem;
    border-radius: 16px;
  }
  
  .alert-box {
    padding: 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    gap: 0.75rem;
  }
}

@media (max-width: 520px) {
  .header-container {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.75rem 1rem;
    padding: 0.85rem 1rem;
  }
  
  .logo {
    grid-row: 1;
    grid-column: 1;
  }
  
  .nav-actions {
    display: contents;
  }
  
  .theme-toggle {
    grid-row: 1;
    grid-column: 2;
    justify-self: end;
  }
  
  nav {
    grid-row: 2;
    grid-column: span 2;
    width: 100%;
    display: flex;
    gap: 0.25rem;
    justify-content: space-between;
  }
  
  .nav-btn {
    flex: 1;
    padding: 0.5rem 0.25rem;
    font-size: 0.8rem;
    text-align: center;
  }

  .logo-text {
    font-size: 1.3rem;
  }
  
  .logo-icon {
    width: 36px;
    height: 36px;
  }

  .input-suffix {
    padding: 0.8rem 0.75rem;
    font-size: 0.85rem;
  }
  
  .bruteforce-table {
    font-size: 0.8rem;
  }
  
  .bruteforce-table th, 
  .bruteforce-table td {
    padding: 0.5rem 0.25rem;
  }

  .strength-text {
    flex-direction: column;
    gap: 0.25rem;
  }
}