/* css/style.css - Modern Design System for SIP Account Manager */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Fira+Code:wght@400;500&display=swap');

:root {
  --bg-primary: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.9);
  --bg-input: #1e293b;
  --border-color: rgba(255, 255, 255, 0.1);
  --border-focus: #3b82f6;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-purple: #8b5cf6;

  --status-active: #10b981;
  --status-active-bg: rgba(16, 185, 129, 0.15);
  --status-registered: #06b6d4;
  --status-registered-bg: rgba(6, 182, 212, 0.15);
  --status-inactive: #ef4444;
  --status-inactive-bg: rgba(239, 68, 68, 0.15);
  --status-unregistered: #f59e0b;
  --status-unregistered-bg: rgba(245, 158, 11, 0.15);

  --protocol-sip: #8b5cf6;
  --protocol-pjsip: #3b82f6;
  --protocol-external: #f59e0b;
  --protocol-iax2: #10b981;

  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.12) 0px, transparent 50%);
  color: var(--text-primary);
  min-height: 100vh;
  padding: 2rem 1.5rem;
  line-height: 1.5;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.brand h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Stats Row */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.2);
}

.stat-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: rgba(255, 255, 255, 0.05);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Control Bar */
.controls-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.search-filter-group {
  display: flex;
  gap: 0.75rem;
  flex: 1;
  min-width: 300px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 220px;
}

.search-box input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.5rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--border-focus);
}

.search-box i {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.filter-select {
  padding: 0.65rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #fff;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

/* Table Card */
.table-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

th {
  background: rgba(15, 23, 42, 0.6);
  padding: 1rem 1.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.id-badge {
  font-family: 'Fira Code', monospace;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.extension-badge {
  font-family: 'Fira Code', monospace;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.ip-text {
  font-family: 'Fira Code', monospace;
  color: #cbd5e1;
}

.password-cell {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Fira Code', monospace;
}

.btn-toggle-pass {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem;
  font-size: 0.85rem;
}

.btn-toggle-pass:hover {
  color: var(--text-primary);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.badge-active {
  background: var(--status-active-bg);
  color: var(--status-active);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.badge-active .badge-dot { background: var(--status-active); }

.badge-registered {
  background: var(--status-registered-bg);
  color: var(--status-registered);
  border: 1px solid rgba(6, 182, 212, 0.3);
}
.badge-registered .badge-dot { background: var(--status-registered); }

.badge-inactive {
  background: var(--status-inactive-bg);
  color: var(--status-inactive);
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.badge-inactive .badge-dot { background: var(--status-inactive); }

.badge-unregistered {
  background: var(--status-unregistered-bg);
  color: var(--status-unregistered);
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.badge-unregistered .badge-dot { background: var(--status-unregistered); }

/* Protocol Tags */
.tag-protocol {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: 'Fira Code', monospace;
  font-weight: 600;
  border: 1px solid var(--border-color);
}

.protocol-sip { background: rgba(139, 92, 246, 0.15); color: var(--protocol-sip); border-color: rgba(139, 92, 246, 0.3); }
.protocol-pjsip { background: rgba(59, 130, 246, 0.15); color: var(--protocol-pjsip); border-color: rgba(59, 130, 246, 0.3); }
.protocol-external, .protocol-externel { background: rgba(245, 158, 11, 0.15); color: var(--protocol-external); border-color: rgba(245, 158, 11, 0.3); }
.protocol-iax2 { background: rgba(16, 185, 129, 0.15); color: var(--protocol-iax2); border-color: rgba(16, 185, 129, 0.3); }
.protocol-udp { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; border-color: rgba(139, 92, 246, 0.3); }
.protocol-tcp { background: rgba(59, 130, 246, 0.15); color: #3b82f6; border-color: rgba(59, 130, 246, 0.3); }

/* Action buttons cell */
.actions-cell {
  display: flex;
  gap: 0.5rem;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  padding: 1rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #1e293b;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 500px;
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-fast);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-header h3 {
  font-size: 1.2rem;
  font-weight: 600;
}

.btn-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
}

.btn-close:hover {
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  font-family: inherit;
}

.form-control:focus {
  border-color: var(--border-focus);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 1100;
}

.toast {
  background: #1e293b;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-blue);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast-success { border-left-color: var(--status-active); }
.toast-error { border-left-color: var(--status-inactive); }

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

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* API Tester Drawer/Box */
.api-tester {
  margin-top: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.api-tester-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.code-block {
  background: #090d16;
  padding: 1rem;
  border-radius: var(--radius-md);
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  color: #a7f3d0;
  overflow-x: auto;
}