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

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

:root {
    --color-primary: #5C56E1;
    --color-primary-dark: #5b21b6;
    --color-accent: #8B5CF6;
    --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;
    padding: 15px;
    color: var(--color-text);
    background: linear-gradient(#E9E9FF,#C8C7FF);
}
.container{
    width: 900px;
    padding: 32px;
    border-radius: 23px;
    position: relative;
    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: 8px;
    background: var(--color-gradient);
}
.header{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header .logo-wrapper{
    display: flex;
    align-items: center;
    gap: 18px;
}
.header .logo-wrapper .logo{
    height: 55px;
    width: 56px;
    border-radius: 15px;
    align-items: center;
    justify-content: center;
    background: var(--color-gradient);
    color: white;
    font-size: 1.35rem;
    display: flex;
    flex-shrink: 0;
}
.header .logo-wrapper h1{
    font-size: 1.9rem;
    font-weight: 700;
}
.header .theme-toggle{
    height: 43px;
    width: 43px;
    border-radius: 50%;
    font-size: 1.05rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-placeholder);
    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-sizing: 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 0.3s 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: white;
    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){  
    /* where is to select two classes at the same time (inside one class) */
    /* Traditional Way
    .prompt-actions .custom-select,
    .prompt-actions .generate-btn {
        cursor: pointer;
    } */
    cursor: pointer;
    padding: 12px 20px;
    font-size: 1rem;
    border-radius: 10px;
    background: var(--color-input);
    border: 1px solid var(--color-border);
}
.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 .custom-select:
    Targets any element with class custom-select that is a descendant of an element with class prompt-actions.
    :is(:focus, :hover):
    This is a pseudo-class function that simplifies writing long selectors.
    It means: match if the element is either focused (:focus) or hovered (:hover).
    */
}
.prompt-actions .generate-btn{
    display: flex;
    gap: 12px;
    margin-left: auto;
    font-weight: 500;
    align-items: center;
    justify-content: center;
    padding: 12px 25px;
    border: none;
    color: white;
    background: var(--color-gradient);
    transition: all 0.3s ease;
}
.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;
    margin-top: 30px;
    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;
    background: 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: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
.gallery-grid .img-card .result-img{
    height: 100%;
    width: 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;
    opacity: 0;
    pointer-events: none;
    display: flex;
    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: white;
    backdrop-filter: blur(5px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    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 {
    height: 35px;
    width: 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);
}

/* How to Use Section */
.how-to-use {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
}

.how-to-use h2 {
    font-size: 1.6rem;
    margin-bottom: 25px;
    text-align: center;
    background: var(--color-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.step-card {
    background: var(--color-input);
    border: 1px solid var(--color-border);
    border-radius: 15px;
    padding: 25px 20px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border-color: var(--color-accent);
}

.step-number {
    height: 40px;
    width: 40px;
    margin: 0 auto 15px;
    background: var(--color-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.step-card h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
    font-weight: 600;
}

.step-card p {
    color: var(--color-placeholder);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Tech Stack Scrolling Header */
.tech-header {
    width: 100%;
    background: var(--color-gradient);
    color: white;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.tech-scroll {
    display: flex;
    white-space: nowrap;
    overflow: hidden;
}

.tech-content {
    display: inline-flex;
    animation: scroll-left 30s linear infinite;
    padding: 12px 0;
}

.tech-content span {
    display: inline-flex;
    align-items: center;
    margin: 0 20px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.tech-content span i {
    margin-right: 8px;
    font-size: 1.2rem;
}

@keyframes scroll-left {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

/* Adjust body padding to account for fixed header */
body {
    padding-top: 65px; /* Increased from 45px */
}

/* Adjust container margin for better spacing with header */
.container {
    margin-top: 25px; /* Increased from 15px */
}

/* Dark theme adjustments */
body.dark-theme .tech-header {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

/* Footer Styles */
.footer {
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-text {
    font-size: 1rem;
    font-weight: 500;
}

.footer-text i {
    color: #ef4444;
    margin: 0 3px;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    height: 40px;
    width: 40px;
    border-radius: 50%;
    background: var(--color-input);
    border: 1px solid var(--color-border);
    color: var(--color-placeholder);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: translateY(-3px);
    color: white;
    background: var(--color-gradient);
    border-color: transparent;
    box-shadow: 0 10px 15px -3px rgba(139, 92, 246, 0.3);
}

/* Update Media Queries */
@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;
    }
  
    .prompt-actions .generate-btn {
        margin: 10px 0 0;
    }
  
    .gallery-grid .img-card .img-overlay {
        opacity: 1;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}