/* ========================================
   Door Opener — Premium Dark Mode Design
   ======================================== */

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

:root {
  --bg-primary: #07070d;
  --bg-secondary: #0e0e18;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);

  --text-primary: #f0f0f5;
  --text-secondary: rgba(240, 240, 245, 0.55);
  --text-tertiary: rgba(240, 240, 245, 0.3);

  --accent-1: #34d399;
  --accent-2: #22d3ee;
  --accent-gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --accent-glow: rgba(52, 211, 153, 0.25);

  --danger: #f87171;
  --success: #34d399;
  --warning: #fbbf24;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100dvh;
  overflow-x: hidden;
  position: relative;
}

/* Subtle background gradient */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(52, 211, 153, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 80% 100%, rgba(34, 211, 238, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* --- Screens --- */
.screen {
  display: none;
  min-height: 100dvh;
  position: relative;
  z-index: 1;
}

.screen.active {
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.4s ease;
}

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

/* --- Login Screen --- */
.login-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  gap: 48px;
}

.login-logo {
  text-align: center;
}

.logo-icon {
  font-size: 64px;
  line-height: 1;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 32px rgba(52, 211, 153, 0.3));
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.login-logo h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-subtitle {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 400;
  margin-top: 4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.login-form {
  width: 100%;
  max-width: 360px;
}

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

.input-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.input-group input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-group input:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.1);
}

.input-group input::placeholder {
  color: var(--text-tertiary);
}

.error-text {
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 12px;
  text-align: center;
}

.hidden {
  display: none !important;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #07070d;
  font-weight: 600;
}

.btn-primary:hover {
  box-shadow: 0 4px 20px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.btn-icon {
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
  padding: 0;
}

.btn-full {
  width: 100%;
}

/* --- Header --- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  padding-top: calc(12px + var(--safe-top));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(7, 7, 13, 0.7);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-left,
.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
  transition: background var(--transition-base);
}

.status-dot.online {
  background: var(--success);
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.5);
}

.status-dot.offline {
  background: var(--danger);
  box-shadow: 0 0 8px rgba(248, 113, 113, 0.5);
}

/* --- Main Content --- */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  padding-bottom: calc(24px + var(--safe-bottom));
}

/* --- Door Button --- */
.door-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 32px 0;
}

.door-button {
  position: relative;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.door-button-inner {
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  z-index: 2;
  transition: all var(--transition-base);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.door-button:hover .door-button-inner {
  border-color: var(--accent-1);
  background: rgba(52, 211, 153, 0.05);
}

.door-button:active .door-button-inner {
  transform: scale(0.95);
}

.door-icon {
  color: var(--text-secondary);
  transition: color var(--transition-base);
}

.door-button:hover .door-icon {
  color: var(--accent-1);
}

.door-label {
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition-base);
}

.door-button:hover .door-label {
  color: var(--accent-1);
}

.door-button-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--border-subtle);
  transition: border-color var(--transition-base);
  z-index: 1;
}

.door-button:hover .door-button-ring {
  border-color: rgba(52, 211, 153, 0.3);
}

.door-button-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid transparent;
  z-index: 0;
}

/* Pulse animation when opening */
.door-button.opening .door-button-inner {
  background: rgba(52, 211, 153, 0.1);
  border-color: var(--accent-1);
}

.door-button.opening .door-icon {
  color: var(--accent-1);
}

.door-button.opening .door-label {
  color: var(--accent-1);
}

.door-button.opening .door-button-ring {
  border-color: var(--accent-1);
  animation: ringPulse 1.5s ease-in-out infinite;
}

.door-button.opening .door-button-pulse {
  border-color: rgba(52, 211, 153, 0.2);
  animation: pulseOut 1.5s ease-out infinite;
}

/* Success state */
.door-button.success .door-button-inner {
  background: rgba(52, 211, 153, 0.15);
  border-color: var(--accent-1);
  box-shadow: 0 0 40px rgba(52, 211, 153, 0.2);
}

.door-button.success .door-icon,
.door-button.success .door-label {
  color: var(--accent-1);
}

/* Error state */
.door-button.error .door-button-inner {
  background: rgba(248, 113, 113, 0.1);
  border-color: var(--danger);
}

.door-button.error .door-icon,
.door-button.error .door-label {
  color: var(--danger);
}

@keyframes ringPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.03); opacity: 0.7; }
}

@keyframes pulseOut {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.3); opacity: 0; }
}

.door-hint {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-weight: 400;
  letter-spacing: 0.02em;
  transition: all var(--transition-base);
}

.door-hint.active {
  color: var(--accent-1);
}

.door-hint.error {
  color: var(--danger);
}

/* --- Info Cards --- */
.info-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: auto;
}

.info-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.info-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.info-card-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.info-card-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.info-card-label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.info-card-value {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* --- Logs Screen --- */
.logs-content {
  gap: 0;
  padding: 0 0 calc(var(--safe-bottom));
}

.logs-list {
  display: flex;
  flex-direction: column;
}

.logs-loading {
  padding: 48px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

.log-entry {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}

.log-entry:hover {
  background: var(--bg-card-hover);
}

.log-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.log-dot.success {
  background: var(--success);
}

.log-dot.fail {
  background: var(--danger);
}

.log-info {
  flex: 1;
  min-width: 0;
}

.log-action {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
}

.log-meta {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.log-time {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  flex-shrink: 0;
  text-align: right;
}

.logs-empty {
  padding: 48px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

/* --- Utilities --- */
@media (max-width: 380px) {
  .info-cards {
    grid-template-columns: 1fr;
  }
}

/* Prevent body scroll when not needed */
@supports (height: 100dvh) {
  body { min-height: 100dvh; }
}