:root {
  --deep-midnight: #141b2d;
  --vibrant-purple: #a032b4;
  --neutral-slate: #828282;
  --soft-lavender: #d9e2ff;
  --royal-blue: #1b267d;
  --golden-orange: #f2a032;

  --deep-midnight-75: rgba(20, 27, 45, 0.75);
  --vibrant-purple-75: rgba(160, 50, 180, 0.75);
  --neutral-slate-75: rgba(130, 130, 130, 0.75);
  --soft-lavender-75: rgba(217, 226, 255, 0.75);
  --royal-blue-75: rgba(27, 38, 125, 0.75);
  --golden-orange-75: rgba(242, 160, 50, 0.75);

  --deep-midnight-50: rgba(20, 27, 45, 0.5);
  --vibrant-purple-50: rgba(160, 50, 180, 0.5);
  --neutral-slate-50: rgba(130, 130, 130, 0.5);
  --soft-lavender-50: rgba(217, 226, 255, 0.5);
  --royal-blue-50: rgba(27, 38, 125, 0.5);
  --golden-orange-50: rgba(242, 160, 50, 0.5);

  --bg-primary: #fff;
  --bg-secondary: #fafbff;
  --bg-tertiary: #f5f6fa;

  --gradient-hero: linear-gradient(135deg, #1b267d 0%, #a032b4 50%, #f2a032 100%);
  --gradient-subtle: linear-gradient(135deg, #d9e2ff 0%, #fff 100%);
  --gradient-cta: linear-gradient(90deg, #a032b4 0%, #1b267d 100%);
  --gradient-warm: linear-gradient(135deg, #f2a032 0%, #a032b4 100%);

  --font-display: "Aref Ruqaa", serif;
  --font-body: "Noto Nastaliq Urdu", serif;
  --font-ui: "Noto Kufi Arabic", sans-serif;

  --text-2xs: 0.625rem;
  --text-xs: 0.6875rem;
  --text-sm: 0.75rem;
  --text-base: 0.8125rem;
  --text-md: 0.875rem;
  --text-lg: 1rem;
  --text-xl: 1.125rem;
  --text-2xl: 1.375rem;
  --text-3xl: 1.75rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 14px;
  --radius-2xl: 20px;
  --radius-full: 9999px;

  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 999;
  --z-sidebar: 1000;
  --z-modal: 1100;
  --z-toast: 1200;

  --container-max: 1200px;
  --container-padding: 1.5rem;
}

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

html {
  direction: rtl;
  text-align: right;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 2;
  color: var(--deep-midnight);
  background: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-padding);
}

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--soft-lavender-50);
  padding: var(--space-4) 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  color: #fff;
  font-family: var(--font-ui);
  font-weight: 700;
}

.brand-name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  background: var(--gradient-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.menu-btn {
  display: none;
}

.sds-sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 27, 45, 0.3);
  backdrop-filter: blur(4px);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.sds-sidebar-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.sds-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  background: var(--bg-primary);
  z-index: var(--z-sidebar);
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--soft-lavender);
  box-shadow: -4px 0 16px rgba(130, 130, 130, 0.08), -8px 0 32px rgba(130, 130, 130, 0.04);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1);
}

.sds-sidebar.is-open {
  transform: translateX(0);
}

.sds-sidebar__header {
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--soft-lavender-50);
}

.sds-sidebar__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3);
}

.sds-sidebar__nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.625rem var(--space-3);
  border-radius: 10px;
  font-size: var(--text-sm);
  font-family: var(--font-ui);
  color: var(--deep-midnight);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  margin-bottom: var(--space-2);
}

.sds-sidebar__nav-item:hover {
  background: var(--soft-lavender-50);
}

.sds-sidebar__nav-item.is-active {
  background: var(--soft-lavender);
  color: var(--royal-blue);
  font-weight: 600;
}

.sds-sidebar__nav-icon {
  width: 18px;
  height: 18px;
  opacity: 0.7;
}

.sds-sidebar.is-open .sds-sidebar__nav-item {
  animation: sds-slide-rtl 0.4s cubic-bezier(0.32, 0.72, 0, 1) both;
}

.sds-sidebar.is-open .sds-sidebar__nav-item:nth-child(1) {
  animation-delay: 0.05s;
}

.sds-sidebar.is-open .sds-sidebar__nav-item:nth-child(2) {
  animation-delay: 0.08s;
}

.sds-sidebar.is-open .sds-sidebar__nav-item:nth-child(3) {
  animation-delay: 0.11s;
}

.sds-sidebar.is-open .sds-sidebar__nav-item:nth-child(4) {
  animation-delay: 0.14s;
}

.sds-sidebar.is-open .sds-sidebar__nav-item:nth-child(5) {
  animation-delay: 0.17s;
}

.sds-sidebar.is-open .sds-sidebar__nav-item:nth-child(6) {
  animation-delay: 0.2s;
}

@keyframes sds-slide-rtl {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero {
  text-align: center;
  padding: var(--space-16) var(--space-4);
  background: var(--gradient-subtle);
  border-radius: var(--radius-2xl);
  margin-bottom: var(--space-8);
}

.hero-logo {
  width: 80px;
  height: 80px;
  border-radius: 24px;
  margin: 0 auto var(--space-6);
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.9rem;
  animation: sds-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes sds-pulse {
  0%,
  100% {
    opacity: 0.6;
    transform: scale(0.97);
  }

  50% {
    opacity: 1;
    transform: scale(1);
  }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--deep-midnight);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.hero-gradient-text {
  background: var(--gradient-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-family: var(--font-ui);
  font-size: var(--text-lg);
  color: var(--neutral-slate);
  margin-bottom: var(--space-6);
  line-height: 1.75;
}

.typing-text {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  border-left: 2px solid var(--vibrant-purple);
  padding-left: var(--space-2);
  max-width: 100%;
  animation: sds-typewriter-rtl 3s steps(40, end) forwards, sds-blink-caret 0.75s step-end infinite;
}

@keyframes sds-typewriter-rtl {
  from {
    width: 0;
  }

  to {
    width: 100%;
  }
}

@keyframes sds-blink-caret {
  from,
  to {
    border-color: transparent;
  }

  50% {
    border-color: var(--vibrant-purple);
  }
}

.generator-section {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--soft-lavender-50);
  padding: var(--space-8);
  margin-bottom: var(--space-8);
  box-shadow: 0 1px 3px rgba(130, 130, 130, 0.06), 0 4px 12px rgba(130, 130, 130, 0.08),
    0 8px 24px rgba(130, 130, 130, 0.04);
}

.section-title {
  font-family: var(--font-ui);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--deep-midnight);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.sds-icon-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.7) 0%, rgba(217, 226, 255, 0.3) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 2px 8px rgba(20, 27, 45, 0.06), 0 4px 16px rgba(20, 27, 45, 0.04),
    inset 0 1px 1px rgba(255, 255, 255, 0.8);
}

.sds-icon-glass svg {
  width: 22px;
  height: 22px;
  color: var(--deep-midnight);
}

.prompt-container {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.prompt-wrapper {
  position: relative;
}

.sds-textarea {
  width: 100%;
  min-height: 120px;
  padding: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--deep-midnight);
  background: var(--bg-primary);
  border: 1.5px solid var(--soft-lavender);
  border-radius: var(--radius-md);
  outline: none;
  direction: rtl;
  text-align: right;
  line-height: 2;
  resize: vertical;
  transition: all 0.2s ease;
}

.sds-textarea::placeholder {
  color: var(--neutral-slate-50);
  font-family: var(--font-ui);
}

.sds-textarea:hover {
  border-color: var(--neutral-slate-50);
}

.sds-textarea:focus {
  border-color: var(--royal-blue);
  box-shadow: 0 0 0 3px rgba(27, 38, 125, 0.08);
}

.char-count {
  position: absolute;
  bottom: var(--space-2);
  left: var(--space-4);
  font-size: var(--text-xs);
  font-family: var(--font-ui);
  color: var(--neutral-slate);
}

.toast-icon {
  font-size: 1.25rem;
}

.sds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  background: transparent;
  color: var(--deep-midnight);
  border: 1.5px solid var(--neutral-slate-50);
  text-decoration: none;
}

.sds-btn:hover {
  border-color: var(--royal-blue);
  color: var(--royal-blue);
  box-shadow: 0 0 0 3px rgba(27, 38, 125, 0.08);
}

.sds-btn:active {
  transform: scale(0.97);
}

.sds-btn--primary {
  border-color: var(--vibrant-purple);
  color: var(--vibrant-purple);
}

.sds-btn--primary:hover {
  background: rgba(160, 50, 180, 0.04);
  box-shadow: 0 0 0 3px rgba(160, 50, 180, 0.1);
}

.sds-btn--gradient {
  border: none;
  background: transparent;
  color: var(--deep-midnight);
  position: relative;
  z-index: 1;
}

.sds-btn--gradient::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  padding: 1.5px;
  background: var(--gradient-cta);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: -1;
}

.sds-btn--gradient:hover {
  background: rgba(160, 50, 180, 0.03);
}

.sds-btn--lg {
  padding: 0.625rem var(--space-6);
  font-size: var(--text-md);
  border-radius: 10px;
}

.sds-btn--icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
}

.sds-btn--loading {
  pointer-events: none;
  opacity: 0.7;
}

.sds-btn--loading::after {
  content: "";
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: sds-spin 0.8s linear infinite;
  margin-right: var(--space-2);
}

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

.style-section {
  margin-bottom: var(--space-6);
}

.subsection-title {
  font-family: var(--font-ui);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--deep-midnight);
  margin-bottom: var(--space-4);
}

.style-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-4);
}

.style-card {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}

.style-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(27, 38, 125, 0.25), rgba(160, 50, 180, 0.2), rgba(242, 160, 50, 0.2));
}

.style-card::after {
  content: attr(data-style);
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-3);
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  text-align: center;
}

.style-card:hover,
.style-card.active {
  border-color: var(--vibrant-purple);
  transform: scale(1.05);
  box-shadow: 0 5px 15px rgba(160, 50, 180, 0.4);
}

.advanced-options-toggle {
  cursor: pointer;
  font-family: var(--font-ui);
  font-weight: 600;
  margin-bottom: var(--space-4);
  font-size: var(--text-lg);
  color: var(--deep-midnight);
}

.advanced-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-5);
  padding: var(--space-6);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

.option-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sds-label {
  display: block;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--neutral-slate);
}

.sds-select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  color: var(--deep-midnight);
  background: var(--bg-primary);
  border: 1.5px solid var(--soft-lavender);
  border-radius: var(--radius-md);
  outline: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sds-select:hover {
  border-color: var(--neutral-slate-50);
}

.sds-select:focus {
  border-color: var(--royal-blue);
  box-shadow: 0 0 0 3px rgba(27, 38, 125, 0.08);
}

.sds-range {
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--soft-lavender);
  outline: none;
  -webkit-appearance: none;
}

.sds-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gradient-cta);
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.sds-range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gradient-cta);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.range-value {
  font-family: var(--font-ui);
  font-weight: 600;
  color: var(--vibrant-purple);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-secondary);
  aspect-ratio: 1;
  box-shadow: 0 1px 3px rgba(130, 130, 130, 0.06), 0 4px 12px rgba(130, 130, 130, 0.08);
  transition: all 0.3s ease;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 2px 6px rgba(130, 130, 130, 0.08), 0 8px 20px rgba(130, 130, 130, 0.12),
    0 16px 40px rgba(130, 130, 130, 0.06);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  padding: var(--space-5);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-item-overlay {
  transform: translateY(0);
}

.gallery-item-prompt {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: #fff;
  margin-bottom: var(--space-3);
  line-height: 1.5;
}

.gallery-item-actions {
  display: flex;
  gap: var(--space-2);
}

.action-btn {
  flex: 1;
  padding: var(--space-2);
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-ui);
  font-size: var(--text-xs);
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.sds-loader-dots {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}

.sds-loader-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--vibrant-purple);
  animation: sds-dot-pulse 1.4s ease-in-out infinite;
}

.sds-loader-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.sds-loader-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes sds-dot-pulse {
  0%,
  80%,
  100% {
    transform: scale(0.6);
    opacity: 0.4;
  }

  40% {
    transform: scale(1);
    opacity: 1;
  }
}

.sds-skeleton {
  background: linear-gradient(90deg, #f5f6fa 25%, #e8ebf5 37%, #f5f6fa 63%);
  background-size: 200% 100%;
  animation: sds-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes sds-shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.sds-fade-up {
  opacity: 0;
  transform: translateY(16px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.sds-fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.sds-stagger > * {
  opacity: 0;
  transform: translateY(12px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.sds-stagger.is-visible > *:nth-child(1) {
  transition-delay: 0s;
  opacity: 1;
  transform: translateY(0);
}

.sds-stagger.is-visible > *:nth-child(2) {
  transition-delay: 0.06s;
  opacity: 1;
  transform: translateY(0);
}

.sds-stagger.is-visible > *:nth-child(3) {
  transition-delay: 0.12s;
  opacity: 1;
  transform: translateY(0);
}

.sds-stagger.is-visible > *:nth-child(4) {
  transition-delay: 0.18s;
  opacity: 1;
  transform: translateY(0);
}

.sds-stagger.is-visible > *:nth-child(5) {
  transition-delay: 0.24s;
  opacity: 1;
  transform: translateY(0);
}

.sds-stagger.is-visible > *:nth-child(6) {
  transition-delay: 0.3s;
  opacity: 1;
  transform: translateY(0);
}

.toast-container {
  position: fixed;
  top: var(--space-5);
  left: var(--space-5);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  background: var(--bg-primary);
  border: 1px solid var(--soft-lavender);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: 0 4px 12px rgba(130, 130, 130, 0.1), 0 8px 24px rgba(130, 130, 130, 0.06);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 280px;
  animation: toast-slide 0.3s ease;
}

@keyframes toast-slide {
  from {
    opacity: 0;
    transform: translateX(-100%);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast-success {
  border-right: 3px solid #10b981;
}

.toast-error {
  border-right: 3px solid #ef4444;
}

.toast-message {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--deep-midnight);
}

.advanced-options[hidden] {
  display: none;
}

@media (max-width: 639px) {
  :root {
    --text-4xl: 1.75rem;
    --text-3xl: 1.375rem;
    --container-padding: 1rem;
  }

  .menu-btn {
    display: block;
  }

  .sds-sidebar {
    width: 100%;
    max-width: 100%;
  }

  .prompt-container {
    grid-template-columns: 1fr;
  }

  .advanced-options {
    grid-template-columns: 1fr;
  }

  .gallery {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: var(--space-8) var(--space-4);
  }

  .hero h1 {
    font-size: var(--text-3xl);
  }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .sds-sidebar {
    width: 320px;
  }
}