diff --git a/backend/alembic/versions/010_make_remind_at_nullable.py b/backend/alembic/versions/010_make_remind_at_nullable.py
new file mode 100644
index 0000000..e9de4f2
--- /dev/null
+++ b/backend/alembic/versions/010_make_remind_at_nullable.py
@@ -0,0 +1,23 @@
+"""make remind_at nullable
+
+Revision ID: 010
+Revises: 009
+Create Date: 2026-02-22
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = "010"
+down_revision = "009"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.alter_column("reminders", "remind_at", existing_type=sa.DateTime(), nullable=True)
+
+
+def downgrade() -> None:
+    op.alter_column("reminders", "remind_at", existing_type=sa.DateTime(), nullable=False)
diff --git a/backend/app/models/reminder.py b/backend/app/models/reminder.py
index 24162ac..b1fbd71 100644
--- a/backend/app/models/reminder.py
+++ b/backend/app/models/reminder.py
@@ -11,7 +11,7 @@ class Reminder(Base):
     id: Mapped[int] = mapped_column(primary_key=True, index=True)
     title: Mapped[str] = mapped_column(String(255), nullable=False)
     description: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
-    remind_at: Mapped[datetime] = mapped_column(nullable=False)
+    remind_at: Mapped[Optional[datetime]] = mapped_column(nullable=True)
     is_active: Mapped[bool] = mapped_column(Boolean, default=True)
     is_dismissed: Mapped[bool] = mapped_column(Boolean, default=False)
     recurrence_rule: Mapped[Optional[str]] = mapped_column(String(255), nullable=True)
diff --git a/backend/app/schemas/project_task.py b/backend/app/schemas/project_task.py
index 9a407af..4d0cd32 100644
--- a/backend/app/schemas/project_task.py
+++ b/backend/app/schemas/project_task.py
@@ -4,7 +4,7 @@ from typing import Optional, List, Literal
 from app.schemas.task_comment import TaskCommentResponse
 
 TaskStatus = Literal["pending", "in_progress", "completed"]
-TaskPriority = Literal["low", "medium", "high"]
+TaskPriority = Literal["none", "low", "medium", "high"]
 
 
 class ProjectTaskCreate(BaseModel):
diff --git a/backend/app/schemas/reminder.py b/backend/app/schemas/reminder.py
index f34cfdd..b9be26d 100644
--- a/backend/app/schemas/reminder.py
+++ b/backend/app/schemas/reminder.py
@@ -6,7 +6,7 @@ from typing import Optional
 class ReminderCreate(BaseModel):
     title: str
     description: Optional[str] = None
-    remind_at: datetime
+    remind_at: Optional[datetime] = None
     is_active: bool = True
     recurrence_rule: Optional[str] = None
 
@@ -24,7 +24,7 @@ class ReminderResponse(BaseModel):
     id: int
     title: str
     description: Optional[str]
-    remind_at: datetime
+    remind_at: Optional[datetime]
     is_active: bool
     is_dismissed: bool
     recurrence_rule: Optional[str]
diff --git a/backend/app/schemas/todo.py b/backend/app/schemas/todo.py
index 9748811..147eb87 100644
--- a/backend/app/schemas/todo.py
+++ b/backend/app/schemas/todo.py
@@ -2,7 +2,7 @@ from pydantic import BaseModel, ConfigDict
 from datetime import datetime, date
 from typing import Optional, Literal
 
-TodoPriority = Literal["low", "medium", "high"]
+TodoPriority = Literal["none", "low", "medium", "high"]
 
 
 class TodoCreate(BaseModel):
diff --git a/frontend/src/components/calendar/EventForm.tsx b/frontend/src/components/calendar/EventForm.tsx
index ea99c8e..c12d9d4 100644
--- a/frontend/src/components/calendar/EventForm.tsx
+++ b/frontend/src/components/calendar/EventForm.tsx
@@ -214,7 +214,7 @@ export default function EventForm({ event, initialStart, initialEnd, initialAllD
         <form onSubmit={handleSubmit} className="flex flex-col flex-1 overflow-y-auto">
           <div className="px-6 py-5 space-y-4 flex-1">
             <div className="space-y-2">
-              <Label htmlFor="title">Title</Label>
+              <Label htmlFor="title" required>Title</Label>
               <Input
                 id="title"
                 value={formData.title}
@@ -229,7 +229,7 @@ export default function EventForm({ event, initialStart, initialEnd, initialAllD
                 id="description"
                 value={formData.description}
                 onChange={(e) => setFormData({ ...formData, description: e.target.value })}
-                rows={4}
+                className="min-h-[80px] flex-1"
               />
             </div>
 
@@ -252,7 +252,7 @@ export default function EventForm({ event, initialStart, initialEnd, initialAllD
 
             <div className="grid grid-cols-2 gap-4">
               <div className="space-y-2">
-                <Label htmlFor="start">Start</Label>
+                <Label htmlFor="start" required>Start</Label>
                 <Input
                   id="start"
                   type={formData.all_day ? 'date' : 'datetime-local'}
diff --git a/frontend/src/components/projects/KanbanBoard.tsx b/frontend/src/components/projects/KanbanBoard.tsx
index fa74af9..f3cec74 100644
--- a/frontend/src/components/projects/KanbanBoard.tsx
+++ b/frontend/src/components/projects/KanbanBoard.tsx
@@ -19,6 +19,7 @@ const COLUMNS: { id: string; label: string; color: string }[] = [
 ];
 
 const priorityColors: Record<string, string> = {
+  none: 'bg-gray-500/20 text-gray-400',
   low: 'bg-green-500/20 text-green-400',
   medium: 'bg-yellow-500/20 text-yellow-400',
   high: 'bg-red-500/20 text-red-400',
diff --git a/frontend/src/components/projects/ProjectDetail.tsx b/frontend/src/components/projects/ProjectDetail.tsx
index f89de7f..c13a3e9 100644
--- a/frontend/src/components/projects/ProjectDetail.tsx
+++ b/frontend/src/components/projects/ProjectDetail.tsx
@@ -53,7 +53,7 @@ const statusLabels: Record<string, string> = {
 type SortMode = 'manual' | 'priority' | 'due_date';
 type ViewMode = 'list' | 'kanban';
 
-const PRIORITY_ORDER: Record<string, number> = { high: 0, medium: 1, low: 2 };
+const PRIORITY_ORDER: Record<string, number> = { high: 0, medium: 1, low: 2, none: 3 };
 
 function SortableTaskRow({
   task,
diff --git a/frontend/src/components/projects/ProjectForm.tsx b/frontend/src/components/projects/ProjectForm.tsx
index 2d32fa3..0c51849 100644
--- a/frontend/src/components/projects/ProjectForm.tsx
+++ b/frontend/src/components/projects/ProjectForm.tsx
@@ -28,7 +28,6 @@ export default function ProjectForm({ project, onClose }: ProjectFormProps) {
     name: project?.name || '',
     description: project?.description || '',
     status: project?.status || 'not_started',
-    color: project?.color || '',
     due_date: project?.due_date ? project.due_date.slice(0, 10) : '',
   });
 
@@ -84,7 +83,7 @@ export default function ProjectForm({ project, onClose }: ProjectFormProps) {
         <form onSubmit={handleSubmit} className="flex flex-col flex-1 overflow-hidden">
           <div className="flex-1 overflow-y-auto px-6 py-5 space-y-4">
             <div className="space-y-2">
-              <Label htmlFor="name">Name</Label>
+              <Label htmlFor="name" required>Name</Label>
               <Input
                 id="name"
                 value={formData.name}
@@ -99,7 +98,7 @@ export default function ProjectForm({ project, onClose }: ProjectFormProps) {
                 id="description"
                 value={formData.description}
                 onChange={(e) => setFormData({ ...formData, description: e.target.value })}
-                rows={4}
+                className="min-h-[80px] flex-1"
               />
             </div>
 
@@ -128,15 +127,6 @@ export default function ProjectForm({ project, onClose }: ProjectFormProps) {
               </div>
             </div>
 
-            <div className="space-y-2">
-              <Label htmlFor="color">Color</Label>
-              <Input
-                id="color"
-                type="color"
-                value={formData.color || '#3b82f6'}
-                onChange={(e) => setFormData({ ...formData, color: e.target.value })}
-              />
-            </div>
           </div>
 
           <SheetFooter>
diff --git a/frontend/src/components/projects/TaskDetailPanel.tsx b/frontend/src/components/projects/TaskDetailPanel.tsx
index 17f8190..3fe9c62 100644
--- a/frontend/src/components/projects/TaskDetailPanel.tsx
+++ b/frontend/src/components/projects/TaskDetailPanel.tsx
@@ -26,6 +26,7 @@ const taskStatusLabels: Record<string, string> = {
 };
 
 const priorityColors: Record<string, string> = {
+  none: 'bg-gray-500/20 text-gray-400',
   low: 'bg-green-500/20 text-green-400',
   medium: 'bg-yellow-500/20 text-yellow-400',
   high: 'bg-red-500/20 text-red-400',
diff --git a/frontend/src/components/projects/TaskForm.tsx b/frontend/src/components/projects/TaskForm.tsx
index 3a0ea02..1670f15 100644
--- a/frontend/src/components/projects/TaskForm.tsx
+++ b/frontend/src/components/projects/TaskForm.tsx
@@ -99,7 +99,7 @@ export default function TaskForm({ projectId, task, parentTaskId, onClose }: Tas
         <form onSubmit={handleSubmit} className="flex flex-col flex-1 overflow-hidden">
           <div className="flex-1 overflow-y-auto px-6 py-5 space-y-4">
             <div className="space-y-2">
-              <Label htmlFor="title">Title</Label>
+              <Label htmlFor="title" required>Title</Label>
               <Input
                 id="title"
                 value={formData.title}
@@ -114,7 +114,7 @@ export default function TaskForm({ projectId, task, parentTaskId, onClose }: Tas
                 id="description"
                 value={formData.description}
                 onChange={(e) => setFormData({ ...formData, description: e.target.value })}
-                rows={3}
+                className="min-h-[80px] flex-1"
               />
             </div>
 
@@ -139,6 +139,7 @@ export default function TaskForm({ projectId, task, parentTaskId, onClose }: Tas
                   value={formData.priority}
                   onChange={(e) => setFormData({ ...formData, priority: e.target.value as ProjectTask['priority'] })}
                 >
+                  <option value="none">None</option>
                   <option value="low">Low</option>
                   <option value="medium">Medium</option>
                   <option value="high">High</option>
diff --git a/frontend/src/components/projects/TaskRow.tsx b/frontend/src/components/projects/TaskRow.tsx
index e8f29b8..8f9887d 100644
--- a/frontend/src/components/projects/TaskRow.tsx
+++ b/frontend/src/components/projects/TaskRow.tsx
@@ -11,6 +11,7 @@ const taskStatusColors: Record<string, string> = {
 };
 
 const priorityColors: Record<string, string> = {
+  none: 'bg-gray-500/20 text-gray-400',
   low: 'bg-green-500/20 text-green-400',
   medium: 'bg-yellow-500/20 text-yellow-400',
   high: 'bg-red-500/20 text-red-400',
@@ -103,35 +104,32 @@ export default function TaskRow({
         {task.title}
       </span>
 
-      {/* Status badge */}
-      <Badge className={`text-[9px] px-1.5 py-0.5 shrink-0 ${taskStatusColors[task.status]}`}>
+      {/* Metadata columns */}
+      <Badge className={`text-[9px] px-1.5 py-0.5 shrink-0 w-16 text-center ${taskStatusColors[task.status]}`}>
         {task.status.replace('_', ' ')}
       </Badge>
 
-      {/* Priority pill */}
       <Badge
-        className={`text-[9px] px-1.5 py-0.5 rounded-full shrink-0 ${priorityColors[task.priority]}`}
+        className={`text-[9px] px-1.5 py-0.5 rounded-full shrink-0 w-14 text-center ${priorityColors[task.priority]}`}
       >
         {task.priority}
       </Badge>
 
-      {/* Due date */}
-      {task.due_date && (
-        <span
-          className={`text-[11px] shrink-0 tabular-nums ${
-            isOverdue ? 'text-red-400' : 'text-muted-foreground'
-          }`}
-        >
-          {format(parseISO(task.due_date), 'MMM d')}
-        </span>
-      )}
+      <span
+        className={`text-[11px] shrink-0 tabular-nums w-12 text-right ${
+          task.due_date
+            ? isOverdue ? 'text-red-400' : 'text-muted-foreground'
+            : 'text-transparent'
+        }`}
+      >
+        {task.due_date ? format(parseISO(task.due_date), 'MMM d') : '—'}
+      </span>
 
-      {/* Subtask count */}
-      {hasSubtasks && (
-        <span className="text-[11px] text-muted-foreground shrink-0 tabular-nums">
-          {completedSubtasks}/{task.subtasks.length}
-        </span>
-      )}
+      <span className={`text-[11px] shrink-0 tabular-nums w-8 text-right ${
+        hasSubtasks ? 'text-muted-foreground' : 'text-transparent'
+      }`}>
+        {hasSubtasks ? `${completedSubtasks}/${task.subtasks.length}` : '—'}
+      </span>
     </div>
   );
 }
diff --git a/frontend/src/components/reminders/ReminderForm.tsx b/frontend/src/components/reminders/ReminderForm.tsx
index 0edf7f4..a06b79d 100644
--- a/frontend/src/components/reminders/ReminderForm.tsx
+++ b/frontend/src/components/reminders/ReminderForm.tsx
@@ -68,7 +68,7 @@ export default function ReminderForm({ reminder, onClose }: ReminderFormProps) {
         <form onSubmit={handleSubmit} className="flex flex-col flex-1 overflow-y-auto">
           <div className="px-6 py-5 space-y-4 flex-1">
             <div className="space-y-2">
-              <Label htmlFor="title">Title</Label>
+              <Label htmlFor="title" required>Title</Label>
               <Input
                 id="title"
                 value={formData.title}
@@ -83,7 +83,7 @@ export default function ReminderForm({ reminder, onClose }: ReminderFormProps) {
                 id="description"
                 value={formData.description}
                 onChange={(e) => setFormData({ ...formData, description: e.target.value })}
-                rows={4}
+                className="min-h-[80px] flex-1"
               />
             </div>
 
@@ -95,7 +95,6 @@ export default function ReminderForm({ reminder, onClose }: ReminderFormProps) {
                   type="datetime-local"
                   value={formData.remind_at}
                   onChange={(e) => setFormData({ ...formData, remind_at: e.target.value })}
-                  required
                 />
               </div>
 
diff --git a/frontend/src/components/todos/TodoForm.tsx b/frontend/src/components/todos/TodoForm.tsx
index 166353f..5ef9318 100644
--- a/frontend/src/components/todos/TodoForm.tsx
+++ b/frontend/src/components/todos/TodoForm.tsx
@@ -70,7 +70,7 @@ export default function TodoForm({ todo, onClose }: TodoFormProps) {
         <form onSubmit={handleSubmit} className="flex flex-col flex-1 overflow-y-auto">
           <div className="px-6 py-5 space-y-4 flex-1">
             <div className="space-y-2">
-              <Label htmlFor="title">Title</Label>
+              <Label htmlFor="title" required>Title</Label>
               <Input
                 id="title"
                 value={formData.title}
@@ -85,7 +85,7 @@ export default function TodoForm({ todo, onClose }: TodoFormProps) {
                 id="description"
                 value={formData.description}
                 onChange={(e) => setFormData({ ...formData, description: e.target.value })}
-                rows={4}
+                className="min-h-[80px] flex-1"
               />
             </div>
 
@@ -97,6 +97,7 @@ export default function TodoForm({ todo, onClose }: TodoFormProps) {
                   value={formData.priority}
                   onChange={(e) => setFormData({ ...formData, priority: e.target.value as any })}
                 >
+                  <option value="none">None</option>
                   <option value="low">Low</option>
                   <option value="medium">Medium</option>
                   <option value="high">High</option>
diff --git a/frontend/src/components/ui/input.tsx b/frontend/src/components/ui/input.tsx
index 04db187..86ff8bc 100644
--- a/frontend/src/components/ui/input.tsx
+++ b/frontend/src/components/ui/input.tsx
@@ -9,7 +9,7 @@ const Input = React.forwardRef<HTMLInputElement, InputProps>(
       <input
         type={type}
         className={cn(
-          'flex h-10 w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50',
+          'flex h-10 w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 invalid:ring-red-500 invalid:border-red-500',
           className
         )}
         ref={ref}
diff --git a/frontend/src/components/ui/label.tsx b/frontend/src/components/ui/label.tsx
index 6153ac7..315268f 100644
--- a/frontend/src/components/ui/label.tsx
+++ b/frontend/src/components/ui/label.tsx
@@ -1,10 +1,12 @@
 import * as React from 'react';
 import { cn } from '@/lib/utils';
 
-export interface LabelProps extends React.LabelHTMLAttributes<HTMLLabelElement> {}
+export interface LabelProps extends React.LabelHTMLAttributes<HTMLLabelElement> {
+  required?: boolean;
+}
 
 const Label = React.forwardRef<HTMLLabelElement, LabelProps>(
-  ({ className, ...props }, ref) => (
+  ({ className, required, children, ...props }, ref) => (
     <label
       ref={ref}
       className={cn(
@@ -12,7 +14,10 @@ const Label = React.forwardRef<HTMLLabelElement, LabelProps>(
         className
       )}
       {...props}
-    />
+    >
+      {children}
+      {required && <span className="text-red-400 ml-0.5">*</span>}
+    </label>
   )
 );
 Label.displayName = 'Label';
diff --git a/frontend/src/components/ui/select.tsx b/frontend/src/components/ui/select.tsx
index 6f771df..4045ece 100644
--- a/frontend/src/components/ui/select.tsx
+++ b/frontend/src/components/ui/select.tsx
@@ -10,7 +10,7 @@ const Select = React.forwardRef<HTMLSelectElement, SelectProps>(
       <div className="relative">
         <select
           className={cn(
-            'flex h-10 w-full appearance-none rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50',
+            'flex h-10 w-full appearance-none rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 invalid:ring-red-500 invalid:border-red-500',
             className
           )}
           ref={ref}
diff --git a/frontend/src/components/ui/textarea.tsx b/frontend/src/components/ui/textarea.tsx
index dcb60fb..9f17025 100644
--- a/frontend/src/components/ui/textarea.tsx
+++ b/frontend/src/components/ui/textarea.tsx
@@ -8,7 +8,7 @@ const Textarea = React.forwardRef<HTMLTextAreaElement, TextareaProps>(
     return (
       <textarea
         className={cn(
-          'flex min-h-[80px] w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50',
+          'flex min-h-[80px] w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 invalid:ring-red-500 invalid:border-red-500',
           className
         )}
         ref={ref}
diff --git a/frontend/src/types/index.ts b/frontend/src/types/index.ts
index 71a25c8..a47538b 100644
--- a/frontend/src/types/index.ts
+++ b/frontend/src/types/index.ts
@@ -25,7 +25,7 @@ export interface Todo {
   description?: string;
   completed: boolean;
   completed_at?: string;
-  priority: 'low' | 'medium' | 'high';
+  priority: 'none' | 'low' | 'medium' | 'high';
   due_date?: string;
   category?: string;
   recurrence_rule?: string;
@@ -79,7 +79,7 @@ export interface Reminder {
   id: number;
   title: string;
   description?: string;
-  remind_at: string;
+  remind_at?: string;
   is_active: boolean;
   is_dismissed: boolean;
   recurrence_rule?: string;
@@ -113,7 +113,7 @@ export interface ProjectTask {
   title: string;
   description?: string;
   status: 'pending' | 'in_progress' | 'completed';
-  priority: 'low' | 'medium' | 'high';
+  priority: 'none' | 'low' | 'medium' | 'high';
   due_date?: string;
   person_id?: number;
   sort_order: number;