/* --- Global Reset & Variables --- */
:root {
    --bg-main: #0B0F19;
    --bg-card: #151D30;
    --bg-modal: #1b2951;
    --text-primary: #F3F4F6;
    --text-secondary: #9CA3AF;
    --accent-blue: #2563EB;
    --accent-blue-hover: #1D4ED8;
    --border-color: #24324F;
    
    --status-not-started: #4B5563;
    --status-in-progress: #3B82F6;
    --status-completed: #10B981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- Navbar Layout --- */
.navbar {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-placeholder {
    width: 140px;
    height: 40px;
    background-color: var(--bg-main);
    border: 1px dashed var(--accent-blue);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.logoimg {
    max-width: 250px;
}

/* --- Buttons --- */
.btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    border: none;
    transition: background-color 0.2s ease;
}

.btn-primary {
    background-color: var(--accent-blue);
    color: var(--text-primary);
}

.btn-primary:hover {
    background-color: var(--accent-blue-hover);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
}

/* --- Dashboard Layout --- */
.dashboard-container {
    display: flex;
    flex: 1;
    padding: 2rem;
    gap: 2rem;
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
}

/* Sidebar Elements */
.sidebar {
    width: 320px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    flex-shrink: 0;
}

.metrics-card, .calendar-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.5rem;
}

.metrics-card h3, .calendar-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Progress Bar */
.progress-container {
    background-color: var(--bg-main);
    border-radius: 20px;
    overflow: hidden;
    height: 20px;
    width: 100%;
    margin-bottom: 0.75rem;
    border: 1px solid var(--border-color);
}

.progress-bar {
    background-color: var(--accent-blue);
    height: 100%;
    text-align: right;
    padding-right: 10px;
    font-size: 0.75rem;
    line-height: 18px;
    font-weight: 600;
    color: white;
    transition: width 0.4s ease;
}

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

/* Mini Calendar */
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.btn-arrow {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    padding: 0 0.5rem;
}

.btn-arrow:hover {
    color: var(--accent-blue);
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    gap: 4px;
}

.calendar-day {
    font-size: 0.8rem;
    padding: 6px 0;
    color: var(--text-secondary);
    border-radius: 4px;
    position: relative;
}

.calendar-day.active-month {
    color: var(--text-primary);
}

.calendar-day.has-task::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background-color: var(--accent-blue);
    border-radius: 50%;
}

.calendar-day.today {
    background-color: var(--border-color);
    color: var(--accent-blue);
    font-weight: bold;
}

/* --- Main Content Boards --- */
.main-content {
    display: flex;
    flex: 1;
    gap: 1.5rem;
    align-items: flex-start;
}

.task-column {
    flex: 1;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.25rem;
    min-height: 600px;
}

.column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid transparent;
}

.column-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.task-count {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.6rem;
    font-size: 0.8rem;
    border-radius: 20px;
    color: var(--text-secondary);
}

.border-not-started { border-color: var(--status-not-started); }
.border-in-progress { border-color: var(--status-in-progress); }
.border-completed { border-color: var(--status-completed); }

.task-list {
    min-height: 500px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Individual Task Card */
.task-card {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1rem;
    cursor: grab;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.task-card:active {
    cursor: grabbing;
}

.task-card:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.task-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.task-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.task-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    border-top: 1px solid var(--border-color);
    padding-top: 0.5rem;
    color: var(--text-secondary);
}

.task-delete-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
}

.task-delete-btn:hover {
    color: #EF4444;
}

/* --- Modal Popup Style --- */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 200;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    width: 100%;
    max-width: 500px;
    padding: 2rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

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

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.close-btn {
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
}

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

/* Forms inside Modal */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

input, textarea, select {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.6rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--accent-blue);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1.5rem;
}