:root {
  --bg-color: #090d16;
  --card-bg: rgba(19, 26, 42, 0.75);
  --border-color: rgba(255, 255, 255, 0.08);
  --accent-color: #f43f5e;
  --accent-gradient: linear-gradient(135deg, #fb7185 0%, #e11d48 100%);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --input-bg: rgba(255, 255, 255, 0.04);
  --modal-bg: #131a2a;
}

[data-theme="light"] {
  --bg-color: #f8fafc;
  --card-bg: rgba(255, 255, 255, 0.85);
  --border-color: rgba(0, 0, 0, 0.08);
  --accent-color: #e11d48;
  --accent-gradient: linear-gradient(135deg, #e11d48 0%, #be123c 100%);
  --text-main: #0f172a;
  --text-muted: #64748b;
  --input-bg: rgba(0, 0, 0, 0.03);
  --modal-bg: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Plus Jakarta Sans', sans-serif; }

html, body {
  height: 100%;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: background-color 0.3s, color 0.3s;
}

.bg-blur {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(225, 29, 72, 0.1) 0%, rgba(0,0,0,0) 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
}

/* Toast System UI */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  min-width: 250px;
  padding: 12px 18px;
  border-radius: 10px;
  background: var(--modal-bg);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.toast.success { border-color: rgba(34, 197, 94, 0.4); }
.toast.error { border-color: rgba(244, 63, 94, 0.4); }
.toast.info { border-color: rgba(59, 130, 246, 0.4); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Navbar */
.navbar {
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--border-color);
  background: rgba(9, 13, 22, 0.6);
  backdrop-filter: blur(12px);
  flex-shrink: 0;
}
[data-theme="light"] .navbar {
  background: rgba(255, 255, 255, 0.7);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-left { display: flex; align-items: center; gap: 24px; }
.logo { font-size: 20px; font-weight: 700; color: var(--text-main); text-decoration: none; }
.logo span { color: var(--accent-color); }
.nav-links { display: flex; gap: 16px; align-items: center; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-size: 13px; font-weight: 500; transition: 0.3s; }
.nav-links a:hover { color: var(--text-main); }
.dev-tag { background: rgba(244, 63, 94, 0.1); border: 1px solid rgba(244, 63, 94, 0.3); color: var(--accent-color) !important; padding: 3px 10px; border-radius: 20px; font-size: 12px !important; }

.nav-right { display: flex; align-items: center; gap: 12px; }
.theme-btn {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.3s;
}
.theme-btn:hover { border-color: var(--accent-color); color: var(--accent-color); }

.contact-btn {
  background: var(--accent-gradient);
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 8px;
  transition: 0.3s;
}
.contact-btn:hover { opacity: 0.9; }

/* Main Container */
.app-wrapper {
  position: relative;
  z-index: 1;
  width: 90%;
  max-width: 540px;
  margin: auto;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 22px 25px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.app-header { text-align: center; margin-bottom: 12px; }
.app-header h1 { font-size: 22px; font-weight: 700; letter-spacing: -0.5px; }
.app-header h1 span { background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.app-header p { color: var(--text-muted); font-size: 12px; margin-top: 4px; line-height: 1.4; }

.status-bar { text-align: center; margin-bottom: 14px; display: flex; justify-content: center; gap: 8px; }
.badge { background: var(--input-bg); border: 1px solid var(--border-color); padding: 4px 12px; border-radius: 20px; font-size: 11px; color: var(--text-muted); }
.badge strong { color: var(--accent-color); }

.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 22px 15px;
  text-align: center;
  cursor: pointer;
  transition: 0.3s;
  background: var(--input-bg);
}
.drop-zone:hover { border-color: var(--accent-color); background: rgba(244, 63, 94, 0.02); }
.drop-icon { color: var(--accent-color); margin-bottom: 6px; }
.drop-icon svg { width: 36px; height: 36px; }
.drop-title { font-size: 13px; font-weight: 500; }
.drop-title span { color: var(--accent-color); text-decoration: underline; }
.drop-sub { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* Multi-File List Container */
.file-list-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}

.file-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: 10px;
}

.file-info { display: flex; align-items: center; gap: 12px; width: 85%; }
.file-info img { width: 36px; height: 36px; object-fit: cover; border-radius: 6px; flex-shrink: 0; }
.file-details { display: flex; flex-direction: column; gap: 2px; overflow: hidden; flex: 1; }

.name-badge-row { display: flex; align-items: center; gap: 8px; width: 100%; }
.file-name {
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.format-tag {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-color);
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  border: 1px solid rgba(244, 63, 94, 0.3);
  flex-shrink: 0;
}

.file-size { font-size: 10px; color: var(--text-muted); }
.remove-btn { background: none; border: none; color: var(--text-muted); font-size: 18px; cursor: pointer; flex-shrink: 0; }
.remove-btn:hover { color: var(--accent-color); }

/* Controls Grid */
.controls-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 14px 0; }
.control-group { display: flex; flex-direction: column; gap: 6px; }
.control-group label { font-size: 12px; font-weight: 600; color: var(--text-muted); }
.label-row { display: flex; justify-content: space-between; align-items: center; }
.quality-badge { font-size: 11px; color: var(--accent-color); font-weight: 700; }

select, input[type="range"] {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12px;
  outline: none;
}
select option { background: var(--modal-bg); color: var(--text-main); }
input[type="range"] { accent-color: var(--accent-color); padding: 0; cursor: pointer; height: 28px; }
.est-size { font-size: 10px; color: var(--text-muted); margin-top: 2px; }

/* Progress */
.progress-container { display: none; margin-bottom: 14px; }
.progress-info { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-muted); margin-bottom: 4px; }
.progress-bar { width: 100%; height: 5px; background: var(--input-bg); border-radius: 10px; overflow: hidden; }
.progress-fill { width: 0%; height: 100%; background: var(--accent-gradient); transition: width 0.1s linear; }

/* Main Button */
.primary-btn { width: 100%; padding: 12px; background: var(--accent-gradient); border: none; border-radius: 10px; color: #fff; font-size: 14px; font-weight: 700; cursor: pointer; transition: 0.3s; }
.primary-btn:hover { opacity: 0.95; transform: translateY(-1px); }
.primary-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

/* Output Section */
.output-wrapper {
  display: none;
  flex-direction: column;
  gap: 12px;
  margin-top: 18px;
  background: var(--input-bg);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 12px;
  padding: 14px;
}

.output-header-main { display: flex; justify-content: space-between; align-items: center; }
.output-title-main { font-size: 13px; font-weight: 700; color: #22c55e; }

.zip-btn {
  background: #22c55e;
  color: #fff;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s;
}
.zip-btn:hover { background: #16a34a; }

.output-list { display: flex; flex-direction: column; gap: 10px; }

.output-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: 8px;
}

.output-item-info { display: flex; align-items: center; gap: 10px; width: 60%; }
.output-item-info img { width: 36px; height: 36px; object-fit: cover; border-radius: 4px; }
.output-item-details { display: flex; flex-direction: column; gap: 2px; overflow: hidden; }
.output-item-name { font-size: 11px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.output-item-size { font-size: 10px; color: var(--text-muted); }

.output-item-actions { display: flex; gap: 6px; }
.action-sm-btn {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.action-sm-btn:hover { border-color: var(--accent-color); color: var(--accent-color); }
.download-sm-btn { background: rgba(34, 197, 94, 0.15); border-color: rgba(34, 197, 94, 0.4); color: #22c55e; }
.download-sm-btn:hover { background: #22c55e; color: #fff; }

/* Footer */
.footer { border-top: 1px solid var(--border-color); padding: 12px 20px; text-align: center; color: var(--text-muted); font-size: 12px; flex-shrink: 0; position: relative; z-index: 2; }
.footer a { color: var(--accent-color); text-decoration: none; font-weight: 600; }

/* Modal */
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); backdrop-filter: blur(8px); justify-content: center; align-items: center; z-index: 100; }
.modal-content { background: var(--modal-bg); border: 1px solid var(--border-color); border-radius: 16px; padding: 24px; max-width: 380px; text-align: center; color: var(--text-main); }
.modal-alert-icon { font-size: 28px; display: block; margin-bottom: 8px; }
.modal-content h3 { font-size: 18px; margin-bottom: 6px; }
.modal-content p { font-size: 12px; color: var(--text-muted); }
.key-box { display: flex; gap: 8px; margin: 12px 0 16px 0; }
.key-box input { flex: 1; background: var(--input-bg); border: 1px solid var(--border-color); color: var(--text-main); padding: 8px 12px; border-radius: 8px; font-size: 12px; outline: none; }
.key-box input:focus { border-color: var(--accent-color); }
.key-submit-btn { background: var(--input-bg); border: 1px solid var(--border-color); color: var(--text-main); padding: 8px 14px; border-radius: 8px; font-size: 12px; font-weight: 600; cursor: pointer; transition: 0.2s; }
.key-submit-btn:hover { background: var(--accent-color); border-color: var(--accent-color); color: #fff; }
.modal-actions { display: flex; flex-direction: column; gap: 8px; }
.buy-btn { background: var(--accent-gradient); color: #fff; border: none; padding: 10px; border-radius: 8px; font-size: 13px; font-weight: 700; cursor: pointer; }
.close-btn { background: var(--input-bg); color: var(--text-muted); border: none; padding: 8px; border-radius: 8px; font-size: 12px; cursor: pointer; }

@media (max-width: 600px) {
  .nav-links { display: none; }
  .controls-grid { grid-template-columns: 1fr; gap: 8px; }
  .app-wrapper { padding: 18px; width: 92%; }
}