:root {
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
}

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

body {
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: var(--glass-shadow);
  padding: 40px;
  width: 100%;
  max-width: 800px;
  transition: transform 0.3s ease;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 30px;
  text-align: center;
  background: linear-gradient(to right, #818cf8, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-container {
  max-width: 400px;
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: white;
  outline: none;
  transition: border-color 0.2s;
}

input:focus {
  border-color: var(--primary);
}

button {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

button:hover {
  background: var(--primary-hover);
}

button:active {
  transform: scale(0.98);
}

button.secondary {
  background: rgba(255, 255, 255, 0.1);
}

/* Dashboard Styles */
.dashboard {
  display: none;
}

.upload-zone {
  border: 2px dashed var(--glass-border);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s;
  margin-bottom: 30px;
}

.upload-zone:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.05);
}

.file-list {
  margin-bottom: 30px;
  max-height: 400px;
  overflow-y: auto;
}

.file-item {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  padding: 16px;
  border-radius: 12px;
  margin-bottom: 12px;
  gap: 15px;
}

.file-info {
  flex: 1;
}

.file-name {
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.file-size {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.watermark-input {
  width: 200px !important;
  font-size: 0.85rem;
}

.actions {
  display: flex;
  gap: 15px;
}

.hidden {
  display: none;
}

.status-bar {
  margin-top: 20px;
  padding: 10px;
  border-radius: 8px;
  font-size: 0.9rem;
  text-align: center;
}

.status-info { color: #818cf8; }
.status-success { color: #4ade80; }
.status-error { color: #f87171; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 10px; }