/* --- Variables & Reset --- */
:root{--background:#111;--surface:#1a1a1a;--surface-hover:#252525;--primary-text:#f5f5f7;--secondary-text:#a1a1a6;--accent:#007aff;--accent-glow:rgba(0,122,255,0.55);--border-color:#333;--header-bg:rgba(20,20,20,0.7)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background-color:var(--background);font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--primary-text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale; display: flex; flex-direction: column; min-height: 100vh;}

/* --- Header --- */
.header{position:sticky;top:0;width:100%;padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;background-color:var(--header-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);z-index:1000;}
.logo{font-size:1.6rem;font-weight:800;color:var(--primary-text);text-decoration:none;white-space:nowrap;letter-spacing:-.5px;}
.logo .logo-accent{color:var(--accent);font-weight:700}

.search-form{flex-grow:1;max-width:600px;position:relative;}
.search-input{width:100%;height:44px;padding:0 1rem 0 2.5rem;background-color:var(--surface);border:1px solid var(--border-color);border-radius:12px;color:var(--primary-text);font-size:1rem;transition:all .2s ease}
.search-input:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,122,255,.3)}
.search-icon{position:absolute;left:.75rem;top:50%;transform:translateY(-50%);color:var(--secondary-text);pointer-events:none; width: 18px; height: 18px;}

/* --- Language Selector --- */
.language-selector{position:relative;flex-shrink:0}
.lang-toggle-btn{background-color:var(--surface);border:1px solid var(--border-color);color:var(--primary-text);font-weight:500;font-size:.9rem;padding:.5rem .75rem;border-radius:8px;display:flex;align-items:center;gap:.3rem;cursor:pointer;transition:all .2s ease}
.lang-toggle-btn:hover{border-color:var(--accent);}
.lang-toggle-btn .lang-chevron{width:16px;height:16px;transition:transform .2s ease}
.lang-toggle-btn.open .lang-chevron{transform:rotate(180deg)}
.lang-menu{position:absolute;top:calc(100% + 10px);right:0;background-color:var(--surface);border:1px solid var(--border-color);border-radius:12px;list-style:none;padding:.5rem;margin:0;width:140px;z-index:1001;box-shadow:0 8px 30px rgba(0,0,0,.4);opacity:0;transform:translateY(-10px);visibility:hidden;transition:all .2s ease}
.lang-menu.show{opacity:1;transform:translateY(0);visibility:visible}
.lang-menu a{display:block;padding:.6rem .8rem;color:var(--primary-text);text-decoration:none;font-size:.95rem;border-radius:8px;transition:all .2s ease}
.lang-menu a:hover{background-color:var(--accent);color:#fff}

/* --- Hero --- */
main{padding:2rem;max-width:1600px;margin:0 auto; width: 100%; flex: 1;}
.hero-section {text-align: center; padding: 4rem 1rem; margin-bottom: 2rem; position: relative;}
.hero-section::before {
    content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 320px; height: 320px; background: var(--accent); filter: blur(130px); opacity: 0.25; z-index: -1; border-radius: 50%; pointer-events: none;
}
.hero-title {font-size: 3rem; font-weight: 800; margin-bottom: 1rem; letter-spacing: -1px; background: linear-gradient(180deg, #fff 0%, #a1a1a6 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent;}
.hero-subtitle {color: var(--secondary-text); font-size: 1.1rem; margin-bottom: 2.5rem; max-width: 600px; margin-left: auto; margin-right: auto; line-height: 1.5;}

.tags-container {display: flex; justify-content: center; gap: 0.8rem; flex-wrap: wrap; margin-top: 2rem; max-width: 800px; margin-left: auto; margin-right: auto;}
.tag-pill {background: rgba(255, 255, 255, 0.03); border: 1px solid var(--border-color); color: var(--secondary-text); padding: 0.5rem 1rem; border-radius: 100px; text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: all 0.2s ease; backdrop-filter: blur(10px);}
.tag-pill:hover {background: rgba(255, 255, 255, 0.1); border-color: var(--primary-text); color: #fff;}

.status-message{text-align:center;padding:4rem 1rem;font-size:1.2rem;color:var(--secondary-text)}

/* --- Image Grid --- */
.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}
.image-card{position:relative;overflow:hidden;border-radius:16px;cursor:pointer;background-color:var(--surface);transform:translateY(20px);opacity:0;visibility:hidden; aspect-ratio: auto;}
.image-card img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.25,.8,.25,1)}
.image-card:hover img{transform:scale(1.03)}

/* Overlay Style - Content at Bottom */
.card-overlay{position:absolute;bottom:0;left:0;right:0;padding:1rem;background:linear-gradient(0deg,rgba(0,0,0,.4) 0%,transparent 100%);display:flex;align-items:flex-end;justify-content:space-between;gap:0.5rem;opacity:1; pointer-events:none}
.card-overlay>*{pointer-events:auto}

/* THE BLACK BOX STYLE FOR USERNAME (Grid & Lightbox) */
.photographer-info, .lightbox-photographer {
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    color: #fff;
    font-weight: 500;
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: 20px; /* Capsule shape */
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
    display: inline-flex;
    align-items: center;
}
/* Limit width in grid so it doesn't hit button */
.card-overlay .photographer-info { max-width: 65%; }

.download-button{background-color:rgba(255,255,255,0.15);border:1px solid rgba(255,255,255,0.15);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#fff;flex-shrink:0;backdrop-filter:blur(4px);transition:all .2s ease}
.download-button:hover{background-color:#fff; color: #000;}
.download-button i { width: 20px; height: 20px; }

.load-more-container{text-align:center;margin-top:4rem; margin-bottom: 2rem;}
.load-more-btn{background-color:var(--surface);color:var(--primary-text);border:1px solid var(--border-color);padding:.8rem 2rem;font-size:0.95rem;font-weight:600;border-radius:12px;cursor:pointer;transition:all .2s ease;}
.load-more-btn:hover:not(:disabled){border-color:var(--accent); color: var(--accent);}
.load-more-btn:disabled{opacity:.5;cursor:not-allowed}
.hidden{display:none!important}

/* --- Lightbox --- */
.lightbox{position:fixed;inset:0;background-color:rgba(0,0,0,.97);z-index:2000;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .3s ease}
.lightbox.show{opacity:1;visibility:visible}
.lightbox-content{position:relative;max-width:95vw;max-height:95vh;display:flex;flex-direction:column;justify-content: center; align-items: center; }

.lightbox img{display:block;max-width:100%;max-height:85vh;object-fit:contain;border-radius:16px;box-shadow: 0 0 60px rgba(0,0,0,0.4);}
.lightbox img.loading{filter:blur(10px);opacity:.8}

/* Top Right Controls */
.lightbox-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    background: rgba(30,30,30,0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 100px;
    padding: 4px;
    gap: 4px;
    z-index: 2005;
}

/* Top Left Photographer Name (Shares style with .photographer-info via class above) */
.lightbox-photographer {
    position: absolute;
    top: 20px;
    left: 20px;
    height: 44px;
    z-index: 2005;
    font-size: 0.95rem;
    padding: 0 1.2rem;
}

.control-btn {
    background: transparent;
    border: none;
    color: rgba(255,255,255,0.8);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}
.control-btn:hover { background: rgba(255,255,255,0.15); color: #fff; }
.control-btn i { width: 20px; height: 20px; }

/* --- Footer (Big Corp + Glass) --- */
.footer {
    background-color: var(--header-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    padding: 4rem 2rem 2rem;
    margin-top: auto;
}
.footer-container { max-width: 1400px; margin: 0 auto; }
.footer-content { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 3rem; text-align: left; margin-bottom: 3rem; }
.footer-brand h3 { font-size: 1.4rem; font-weight: 800; color: #fff; margin-bottom: 0.8rem; }
.footer-brand p { font-size: 0.9rem; color: var(--secondary-text); max-width: 320px; line-height: 1.6; }
.footer-col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; color: #fff; margin-bottom: 1.2rem; font-weight: 700; opacity: 0.8; }
.footer-links { display: flex; flex-direction: column; gap: 0.8rem; }
.footer-links a { color: var(--secondary-text); text-decoration: none; font-size: 0.95rem; transition: color 0.2s; width: fit-content; }
.footer-links a:hover { color: #fff; }

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--secondary-text);
}
.pexels-attribution { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--secondary-text); transition: opacity 0.2s; }

/* Updated: Hover color is now white (was black) */
.pexels-attribution:hover { opacity: 1; color: #ffffff; }

/* Updated: Logo is much bigger and has no filters */
.pexels-logo { 
    height: 40px; 
    width: auto; 
    opacity: 1; 
    transition: opacity 0.2s; 
}

/* --- RTL --- */
html[dir="rtl"] body { font-family: 'Tajawal', 'Inter', sans-serif; }
html[dir="rtl"] .logo { margin-right: 0; margin-left: auto; }
html[dir="rtl"] .search-icon { left: auto; right: 0.75rem; }
html[dir="rtl"] .search-input { padding: 0 2.5rem 0 1rem; text-align: right; }
html[dir="rtl"] .lang-menu { left: 0; right: auto; text-align: right; }
html[dir="rtl"] .card-overlay { direction: ltr; }
html[dir="rtl"] .card-overlay > .photographer-info { direction: rtl; }
html[dir="rtl"] .lightbox-controls { right: auto; left: 20px; } 
html[dir="rtl"] .lightbox-photographer { left: auto; right: 20px; }
html[dir="rtl"] .footer-content { text-align: right; direction: rtl; }

/* --- Mobile --- */
@media (max-width: 768px) {
    .header { flex-wrap: wrap; padding: 1rem; gap: 1rem; }
    .logo { order: 1; font-size: 1.3rem; }
    .language-selector { order: 2; }
    .search-form { order: 3; width: 100%; max-width: 100%; margin-top: 0.2rem; }
    .hero-title { font-size: 2.2rem; }
    .hero-section { padding: 2rem 1rem 1rem; }
    .image-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0.6rem; }
    .footer-content { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
    .footer-brand p, .footer-links a { margin: 0 auto; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 1.5rem; }
    html[dir="rtl"] .footer-content { text-align: center; }
    .lightbox-controls { top: 15px; right: 15px; }
    .lightbox-photographer { top: 15px; left: 15px; height: 44px; max-width: 50%; }
    html[dir="rtl"] .lightbox-controls { left: 15px; right: auto; }
    html[dir="rtl"] .lightbox-photographer { right: 15px; left: auto; }
}