/* Otask Task Creator — Dark Premium Graphite + Violet Glass */

:root {
  --primary: #6366f1;
  --primary-bright: #818cf8;
  --primary-deep: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.40);
  --primary-subtle: rgba(99, 102, 241, 0.15);

  --bg-base: #121318;
  --bg-raised: #1a1b23;
  --bg-mesh-1: rgba(99, 102, 241, 0.08);
  --bg-mesh-2: rgba(139, 92, 246, 0.06);
  --bg-mesh-3: rgba(79, 70, 229, 0.04);

  --glass: rgba(30, 32, 44, 0.72);
  --glass-border: rgba(99, 102, 241, 0.12);
  --glass-border-hover: rgba(99, 102, 241, 0.22);
  --glass-input: rgba(18, 19, 28, 0.60);
  --glass-input-focus: rgba(25, 26, 38, 0.80);

  --text: #eeedf5;
  --text-secondary: #a5a3b8;
  --text-muted: #6b6980;
  --text-on-primary: #ffffff;

  --success: #34d399;
  --success-bg: rgba(52, 211, 153, 0.12);
  --success-border: rgba(52, 211, 153, 0.25);
  --error: #f87171;
  --error-bg: rgba(248, 113, 113, 0.10);
  --error-border: rgba(248, 113, 113, 0.22);
  --warning-bg: rgba(251, 191, 36, 0.10);
  --warning-border: rgba(251, 191, 36, 0.22);
  --warning-text: #fbbf24;

  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --blur: 24px;
  --blur-heavy: 40px;

  --shadow-glass:
    0 2px 16px rgba(0, 0, 0, 0.30),
    0 0 1px rgba(99, 102, 241, 0.10);
  --shadow-elevated:
    0 8px 48px rgba(0, 0, 0, 0.50),
    0 0 1px rgba(99, 102, 241, 0.15);
  --shadow-button:
    0 2px 16px rgba(99, 102, 241, 0.30),
    0 0 1px rgba(99, 102, 241, 0.20);
  --shadow-inset:
    inset 0 1px 3px rgba(0, 0, 0, 0.25);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  background: var(--bg-base);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  min-height: 100dvh;
  padding: 24px 16px;
  padding-top: max(24px, env(safe-area-inset-top, 24px));
  padding-bottom: max(16px, env(safe-area-inset-bottom, 16px));
  padding-left: max(16px, env(safe-area-inset-left, 16px));
  padding-right: max(16px, env(safe-area-inset-right, 16px));
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;

  background:
    radial-gradient(ellipse 70% 50% at 15% 10%, var(--bg-mesh-1), transparent),
    radial-gradient(ellipse 50% 70% at 85% 85%, var(--bg-mesh-2), transparent),
    radial-gradient(ellipse 90% 90% at 50% 50%, var(--bg-mesh-3), transparent),
    var(--bg-base);
  background-attachment: fixed;
}

/* ── Container / Glass Card ───────────────────────────────────── */

.container {
  max-width: 460px;
  margin: 0 auto;
}

.glass-card {
  background: var(--glass);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  padding: 28px 22px;
  transition: box-shadow var(--transition);
}

/* ── Header ───────────────────────────────────────────────────── */

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.10);
}

.header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text) 30%, var(--primary-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Login ─────────────────────────────────────────────────────── */

.login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80dvh;
  text-align: center;
}

.login-glass {
  background: var(--glass);
  backdrop-filter: blur(var(--blur-heavy));
  -webkit-backdrop-filter: blur(var(--blur-heavy));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-elevated);
  padding: 44px 32px 36px;
  width: 100%;
  max-width: 360px;
}

.login-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary-deep), var(--primary));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px var(--primary-glow);
}

.login-icon svg {
  width: 28px;
  height: 28px;
  color: #fff;
}

.login-glass h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 6px;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.login-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.input-pin {
  text-align: center;
  font-size: 1.6rem;
  letter-spacing: 0.35em;
  padding: 16px;
  border: 1px solid rgba(99, 102, 241, 0.18);
  border-radius: var(--radius);
  outline: none;
  background: var(--glass-input);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-inset);
  transition: all var(--transition);
  color: var(--text);
  font-weight: 600;
}

.input-pin:focus {
  border-color: var(--primary);
  background: var(--glass-input-focus);
  box-shadow: var(--shadow-inset), 0 0 0 3px var(--primary-subtle);
}

.input-pin::placeholder {
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.1em;
}

/* ── Alerts ────────────────────────────────────────────────────── */

.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 0.875rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.alert-error {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error-border);
}

.alert-warning {
  background: var(--warning-bg);
  color: var(--warning-text);
  border: 1px solid var(--warning-border);
}

.alert code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
}

/* ── Form Groups ──────────────────────────────────────────────── */

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

.form-section:last-of-type {
  margin-bottom: 0;
}

.form-group {
  margin-bottom: 18px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Shared input base ────────────────────────────────────────── */

.input-task,
.input-desc,
.input-datetime,
.input-select {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid rgba(99, 102, 241, 0.14);
  border-radius: var(--radius);
  font-size: 16px;
  outline: none;
  background: var(--glass-input);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-inset);
  transition: all var(--transition);
  color: var(--text);
  font-family: inherit;
}

.input-task:focus,
.input-desc:focus,
.input-datetime:focus,
.input-select:focus {
  border-color: var(--primary);
  background: var(--glass-input-focus);
  box-shadow: var(--shadow-inset), 0 0 0 3px var(--primary-subtle);
}

.input-task::placeholder,
.input-desc::placeholder {
  color: var(--text-muted);
}

.input-with-mic {
  display: flex;
  gap: 10px;
}

.input-with-mic .input-task,
.input-with-mic .input-desc {
  flex: 1;
  min-width: 0;
}

.input-desc {
  resize: vertical;
  min-height: 72px;
}

.input-datetime {
  width: auto;
  color-scheme: dark;
}

.input-select {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23a5a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 6l3.5 4 3.5-4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.input-select option {
  background: var(--bg-raised);
  color: var(--text);
}

/* ── Mic Button ───────────────────────────────────────────────── */

.btn-mic {
  width: 52px;
  height: 52px;
  min-width: 52px;
  min-height: 52px;
  padding: 0;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(99, 102, 241, 0.22);
  border-radius: var(--radius);
  background: rgba(30, 32, 48, 0.85);
  color: var(--primary-bright);
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.20);
}

.btn-mic svg {
  display: block;
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.btn-mic:hover {
  background: var(--primary-deep);
  border-color: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-button);
  transform: translateY(-1px);
}

.btn-mic.active {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 24px rgba(239, 68, 68, 0.40);
  animation: mic-pulse 1.5s ease-in-out infinite;
}

@keyframes mic-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 4px 24px rgba(239, 68, 68, 0.40); }
  50% { transform: scale(1.06); box-shadow: 0 6px 32px rgba(239, 68, 68, 0.55); }
}

.mic-status {
  font-size: 0.78rem;
  color: var(--error);
  margin-top: 6px;
  font-style: italic;
}

/* ── Route Hint ───────────────────────────────────────────────── */

.route-hint {
  font-size: 0.78rem;
  color: var(--primary-bright);
  margin-top: 6px;
  font-weight: 500;
}

/* ── Buttons ──────────────────────────────────────────────────── */

.btn {
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  touch-action: manipulation;
  position: relative;
  overflow: hidden;
  letter-spacing: -0.01em;
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none !important;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 100%);
  color: rgba(255, 255, 255, 0.92);
  box-shadow: 0 2px 12px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: 0 4px 28px var(--primary-glow);
  transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-button);
}

.btn-secondary {
  background: rgba(30, 32, 44, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-secondary);
  border: 1px solid rgba(99, 102, 241, 0.14);
  box-shadow: var(--shadow-glass);
}

.btn-secondary:hover {
  background: rgba(40, 42, 56, 0.70);
  border-color: var(--glass-border-hover);
  color: var(--text);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-small {
  padding: 7px 16px;
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--text-muted);
  border: 1px solid rgba(99, 102, 241, 0.10);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  border-color: rgba(99, 102, 241, 0.18);
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.actions .btn {
  flex: 1;
}

.logout-form {
  margin: 0;
}

/* ── Result Notification ──────────────────────────────────────── */

.result {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--spring);
}

.result.success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.result.error {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error-border);
}

/* ── Utility ──────────────────────────────────────────────────── */

.hidden {
  display: none !important;
}

/* ── Responsive: Small Phones ─────────────────────────────────── */

@media (max-width: 374px) {
  .header h1 {
    font-size: 1.2rem;
  }

  .btn-mic {
    width: 46px;
    height: 46px;
    min-width: 46px;
    min-height: 46px;
  }

  .btn-mic svg {
    width: 22px;
    height: 22px;
  }

  .actions {
    flex-direction: column;
  }

  .glass-card {
    padding: 20px 16px;
    border-radius: var(--radius-lg);
  }

  .login-glass {
    padding: 32px 22px 28px;
  }
}

/* ── Responsive: Desktop ──────────────────────────────────────── */

@media (min-width: 640px) {
  body {
    padding: 48px 40px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
  }

  .container {
    max-width: 500px;
  }

  .glass-card {
    padding: 36px 32px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-elevated);
  }

  .login-glass {
    padding: 52px 44px 44px;
  }

  .login-container {
    min-height: auto;
    padding: 80px 0;
  }
}

/* ── PWA Standalone ───────────────────────────────────────────── */

@media (display-mode: standalone) {
  body {
    padding-top: max(24px, env(safe-area-inset-top, 24px));
    padding-bottom: max(16px, env(safe-area-inset-bottom, 16px));
  }
}

/* ── Reduced Motion ───────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}