/* ============================================================
   GLOBAL STYLES — Dark Glassmorphism Design
   Font: Inter (Google Fonts)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  --bg-from: #0a0a1a;
  --bg-to:   #0f0f2e;
  --accent:  #7c6ff7;
  --accent2: #a78bfa;
  --accent3: #06b6d4;
  --glass-bg: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.12);
  --glass-hover: rgba(255,255,255,0.10);
  --text:    #f1f5f9;
  --text-muted: #94a3b8;
  --input-bg: rgba(255,255,255,0.07);
  --input-border: rgba(255,255,255,0.15);
  --input-focus: rgba(124,111,247,0.5);
  --danger: #f87171;
  --success: #34d399;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-from);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Animated Gradient Background ---------- */
.bg-gradient {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse 80% 60% at 20% 20%, rgba(124,111,247,0.18) 0%, transparent 60%),
              radial-gradient(ellipse 60% 50% at 80% 80%, rgba(6,182,212,0.12) 0%, transparent 60%),
              radial-gradient(ellipse 70% 70% at 50% 50%, rgba(167,139,250,0.08) 0%, transparent 70%),
              linear-gradient(135deg, var(--bg-from) 0%, var(--bg-to) 100%);
  animation: bgPulse 10s ease-in-out infinite alternate;
}

@keyframes bgPulse {
  0%   { filter: brightness(1) hue-rotate(0deg); }
  100% { filter: brightness(1.08) hue-rotate(15deg); }
}

/* ---------- Floating orbs ---------- */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
  z-index: -1;
  pointer-events: none;
  animation: float 8s ease-in-out infinite alternate;
}
.orb-1 { width: 400px; height: 400px; background: var(--accent); top: -100px; left: -100px; animation-delay: 0s; }
.orb-2 { width: 300px; height: 300px; background: var(--accent3); bottom: -80px; right: -80px; animation-delay: 2s; }
.orb-3 { width: 250px; height: 250px; background: var(--accent2); top: 50%; right: 10%; animation-delay: 4s; }

@keyframes float {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, 30px) scale(1.1); }
}

/* ---------- Layout ---------- */
.page-center {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.page-main {
  min-height: 100vh;
  padding: 24px;
}

/* ---------- Glass Card ---------- */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(124,111,247,0.25);
}

.card-sm { padding: 28px 32px; }

/* ---------- Navbar ---------- */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius);
  padding: 14px 24px;
  margin-bottom: 28px;
  box-shadow: var(--shadow);
}

.navbar-brand {
  font-size: 1.1rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent2), var(--accent3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.3px;
}

.navbar-right { display: flex; gap: 12px; align-items: center; }

/* ---------- Typography ---------- */
h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  background: linear-gradient(135deg, #fff 40%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

h2 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 6px;
}

h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 4px; }

.subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 32px;
}

/* ---------- Form Elements ---------- */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }

label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-muted);
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  padding: 12px 16px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

input::placeholder, textarea::placeholder { color: rgba(148,163,184,0.5); }

input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--input-focus);
  background: rgba(255,255,255,0.09);
}

textarea { resize: vertical; min-height: 130px; }

select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

select option { background: #1e1e3f; color: var(--text); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
  border-radius: inherit;
}

.btn:hover::after { background: rgba(255,255,255,0.08); }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #9d5cf5 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124,111,247,0.4);
  width: 100%;
}
.btn-primary:hover { box-shadow: 0 6px 28px rgba(124,111,247,0.55); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent2); }

.btn-danger {
  background: rgba(248,113,113,0.15);
  border: 1px solid rgba(248,113,113,0.3);
  color: var(--danger);
}
.btn-danger:hover { background: rgba(248,113,113,0.25); }

.btn-sm { padding: 8px 16px; font-size: 0.82rem; }

/* ---------- Upload Zone ---------- */
.upload-zone {
  border: 2px dashed var(--input-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--input-bg);
  position: relative;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--accent);
  background: rgba(124,111,247,0.08);
}

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.upload-icon {
  font-size: 2.4rem;
  margin-bottom: 10px;
  display: block;
  filter: drop-shadow(0 0 10px rgba(124,111,247,0.4));
}

.upload-zone p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }
.upload-zone strong { color: var(--accent2); }

/* ---------- Image Preview ---------- */
.img-preview-wrap {
  margin-top: 16px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: none;
  position: relative;
}

.img-preview-wrap.visible { display: block; }

.img-preview-wrap img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-sm);
}

.img-preview-wrap .img-remove {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background var(--transition);
}
.img-preview-wrap .img-remove:hover { background: rgba(248,113,113,0.6); }

/* ---------- Alert / Toast ---------- */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 20px;
  display: none;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.3s ease;
}

.alert.show { display: flex; }
.alert-error { background: rgba(248,113,113,0.15); border: 1px solid rgba(248,113,113,0.3); color: var(--danger); }
.alert-success { background: rgba(52,211,153,0.12); border: 1px solid rgba(52,211,153,0.3); color: var(--success); }
.alert-info { background: rgba(124,111,247,0.12); border: 1px solid rgba(124,111,247,0.3); color: var(--accent2); }

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Toast Notification ---------- */
.toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow);
  color: var(--text);
  pointer-events: all;
  animation: toastIn 0.4s cubic-bezier(0.34,1.56,0.64,1);
  max-width: 320px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.toast.success { border-color: rgba(52,211,153,0.4); color: var(--success); }
.toast.error   { border-color: rgba(248,113,113,0.4); color: var(--danger); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px) scale(0.95); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}

/* ---------- Loading Spinner ---------- */
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ---------- Badge ---------- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  background: rgba(124,111,247,0.2);
  border: 1px solid rgba(124,111,247,0.35);
  color: var(--accent2);
}

/* ---------- Divider ---------- */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin: 20px 0;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--glass-border);
}

/* ---------- Skeleton Loader ---------- */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.05) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s ease-in-out infinite;
  border-radius: 6px;
}

@keyframes skeleton {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- Grid ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(124,111,247,0.4); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: rgba(124,111,247,0.7); }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .card { padding: 24px 20px; }
  .navbar { padding: 12px 16px; }
  .grid-2 { grid-template-columns: 1fr; }
  h1 { font-size: 1.6rem; }
}