/* Importing Google fonts- Inter*/
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}

/* Light theme color variables*/
:root {
  --color-primary: #5C56E1;
  --color-primary-dark: #5b21b6;
  --color-accent: #885CF6;
  --color-card: #FFFFFF;
  --color-input: #F1F1FF;
  --color-text: #09090E;
  --color-placeholder: #5C5A87;
  --color-border: #D4D4ED;
  --color-gradient: linear-gradient(135deg, #5C56E1, #8B5CF6);
}

body.dark-theme {
    --color-card: #1E293B;
    --color-input: #141B2D;
    --color-text: #F3F4F6;
    --color-placeholder: #A3B6DC;
    --color-border: #334155;

    background: var( --color-card);
    background-image: radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 35%),
    radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.15) 0%, transparent 35%),
    radial-gradient(circle at 50% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 40%);  

}
body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  columns: var(--color-text);
  padding: 15px;
  background: linear-gradient(#E9E9FF, #bebdfb);
}

.container {
  width: 900px;
  padding: 32px;
  position: relative;
  border-radius: 23px;
  overflow: hidden;  
  background: var(--color-card);
  box-shadow: 0 10px 20px 0 rgba(0, 0, 0, 0.1)
}

body.dark-theme .container {
  border: 1px solid var(--color-border);
}

.container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--color-gradient);  
}

.header{
display: flex;
align-items: center;
justify-content: space-between
}

.header .logo-wrapper {
  display: flex;
  gap: 18px;
  align-items: center;
}
.header .logo-wrapper .logo {
  height: 55px;
  width: 56px;
  display: flex;
  color: #fff;
  font-size: 1.35rem;
  flex-shrink: 0;
  border-radius: 15px;
  align-items: center;
  justify-content: center;
  background: var(--color-gradient);
}

.header .logo-wrapper h1{
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--color-text);
}
  
.header .theme-toggle {
  height: 43px;
  width: 43px;
  border-radius: 50%;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  color: var(--color-placeholder);
  align-items: center;
  justify-content: center;
  background: var(--color-input);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.header .theme-toggle:hover {
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.main-content{
  margin: 35px 0 5px;
}

.main-content .prompt-container{
  width: 100%;
  position: relative;
  margin-bottom: 20px;
}

.prompt-container .prompt-input {
  width: 100%;
  resize: vertical;
  line-height: 1.6;
  font-size: 1.05rem;
  min-height: 120px;
  padding: 16px 20px;
  border-radius: 15px;
  color: var(--color-text);
  background: var(--color-input);
  border: 1px solid var(--color-border);
  transition: all 0.35 ease;
}

.prompt-container .prompt-input::placeholder {
color: var(--color-placeholder);
}
.prompt-container .prompt-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
}

.prompt-container .prompt-btn {
position: absolute;
right: 15px;
bottom: 15px;
height: 35px;
width: 35px;
border: none;
color: #fff;
font-size: 0.75rem;
border-radius: 50%;
opacity: 0.8;
cursor: pointer;
background: var(--color-gradient);
transition: all 0.3s ease;
}

.prompt-container .prompt-btn:hover {
opacity: 1;
transform: translateY(-2px);
box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.main-content .prompt-actions {
  display: grid;
  gap: 14px;
  grid-template-columns: 1.2fr 1fr 1.1fr 1fr;
}

.prompt-actions .select-wrapper {
position: relative;
}

.prompt-actions .select-wrapper::after {
content:"\f078";
font-family: "Font Awesome 6 Free";
font-weight: 900;
font-size: 0.9rem;
position: absolute;
right: 20px;
top: 50%;
padding-left: 7px;
pointer-events: none;
background: var(--color-input);
color: var(--color-placeholder);
transform: translateY(-50%);
}

.prompt-actions :where(.custom-select, .generate-btn) {
  cursor: pointer;
  padding: 12px 20px;
  font-size: 1rem;
  border-radius: 10px;
  background: var( --color-input);
  border: 1px solid var( --color-border);
  transition: all 0.3s ease;
}

.prompt-actions .custom-select {
  width: 100%;
  outline: none;
  height: 100%;
  appearance: none;
  color: var(--color-text);
}

.prompt-actions .custom-select:is(:focus, :hover) {
border-color: var(--color-accent);
box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.prompt-actions .generate-btn{
  display: flex;
  gap: 12px;
  font-weight: 500;
  align-items: center;
  margin-left: auto;
  justify-content: center;
  padding: 12px 25px;
  border: none;
  color: #fff;
  background:var(--color-gradient) ;
}

.prompt-actions .generate-btn:disabled{
opacity: 0.6;
pointer-events: none;
}

.prompt-actions .generate-btn:hover{
  transform: translateY(-2px);
  box-shadow:0 4px 10px rgba(109, 40, 217, 0.3)
}

.main-content .gallery-grid:has(.img-card) {
  margin-top: 30px;
}

.main-content .gallery-grid {
  display: grid;
  gap: 15px;
  grid-template-columns: repeat(auto-fill, minmax(180px,1fr));
}

.gallery-grid .img-card{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow:hidden;
  aspect-ratio: 1;
  border-radius: 16px;
  color: var(--color-input);
  border: 1px solid var(--color-border);
  transition: all 0.5s ease;

}

.gallery-grid .img-card:not(.loading, .error):hover {
transform: translateY(-5px);
box-shadow: 0px 10px 15px -3px rgba(0, 0, 0, 0.1);
}
.gallery-grid .img-card .result-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-grid .img-card:is(.loading, .error) :is(.result-img, .img-overlay){
display: none;
}

.gallery-grid .img-card .img-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  display: flex;
  opacity: 0;
  pointer-events: none;  
  justify-content: flex-end;
  background: linear-gradient(transparent, rgba(0, 0,
  0, 0.8));
  transition: all 0.3s ease;
} 

.gallery-grid .img-card:hover .img-overlay {
    opacity: 1;
    pointer-events: auto;
}

.gallery-grid .img-card .img-download-btn {
  height: 45px;
  width: 45px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
  border-radius: 50%;
  border: none;
  cursor: pointer;
 background: rgba(255, 255, 255, 0.25);
 transition: all 0.3s ease;
}

.gallery-grid .img-card .img-download-btn:hover{
  transform: scale(1.05);
  background: rgba(255, 255, 255, 0.4);
}

.gallery-grid .img-card .status-container {
  padding: 15px;
  display: none;
  gap: 13px; 
  flex-direction: column;
  align-items: center;
}

.gallery-grid .img-card:where(.loading, .error) .status-container {
  display:flex;
}

.gallery-grid .img-card.loading .status-container i, 
.gallery-grid .img-card.error .spinner {
  display: none;
}

.gallery-grid .img-card.error .status-container i {
  font-size: 1.7rem;
  color: #ef4444;
}

.gallery-grid .img-card.loading .spinner{
  width: 35px;
  height: 35px;
  border-radius: 50%;
  border: 3px solid var(--color-border);
  border-top-color:var(--color-primary);
  animation: spin 1s linear infinite;
}  

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

.gallery-grid .img-card .status-text{
  font-size: 0.85rem;
  text-align: center;
  color: var(--color-placeholder);
}

/* Responsive media query code (small screens)*/
@media (max-width: 768px) {

  .container {
      padding: 18px;
  }
    
  .header .logo-wrapper .logo {
    height: 50px;
    width: 51px;
    font-size: 1.25rem;
  }

  .header .logo-wrapper h1 {
    font-size: 1.7rem;
  }

  .main-content .prompt-actions {
    grid-template-columns: 1fr;
    margin-top: - 10px;
  }
    I
  .prompt-actions .generate-btn {
    margin: 10px 0 0;
  }

  .gallery-grid .img-card .img-overlay {
    opacity: 1;
  }
}