/* Basic Setup & Variables */
:root {
    --bg-color: #1a1a1a;
    --board-bg: #2d2d2d;
    --column-bg: rgba(255, 255, 255, 0.05);
    --card-bg: rgba(255, 255, 255, 0.1);
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent-color: #7fdbda;
    --accent-hover: #5ac8c7;
    --danger-color: #ff6b6b;
    --success-color: #51cf66;
    --warning-color: #fcc419;

    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: 1px solid rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    --glass-blur: blur(10px);
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow: hidden;
    /* Prevent body scroll, handle in board */
}

/* App Layout */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    /* Fantasy Forest Background */
    background: url('../assets/images/hero-bg.png') no-repeat center center/cover;
    /* Fallback/Overlay gradient */
    background-color: #1a1a1a;
}

/* Navigation */
.app-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(20, 25, 20, 0.6);
    /* Darker, forest-tinted glass */
    border-bottom: 1px solid rgba(127, 219, 218, 0.2);
    /* Subtle teal border */
    backdrop-filter: blur(12px);
    z-index: 10;
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--accent-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo img {
    height: 48px;
    width: 48px;
    filter: drop-shadow(0 0 8px rgba(127, 219, 218, 0.4));
}

.logo h1 {
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    color: var(--accent-color);
    margin: 0;
}

/* Kanban Board */
.kanban-board {
    display: flex;
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    padding: var(--spacing-lg);
    padding-top: 120px;
    /* Nudged down 15px more per user request */
    gap: var(--spacing-lg);
    align-items: flex-start;
    justify-content: center;
    /* Center the columns */
}

/* Scrollbar styling */
.kanban-board::-webkit-scrollbar {
    height: 8px;
}

.kanban-board::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

.kanban-board::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

/* Columns */
.column {
    background: rgba(30, 41, 35, 0.65);
    /* More opaque, forest-tinted glass */
    min-width: 300px;
    max-width: 300px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    max-height: 100%;
    border: 1px solid rgba(127, 219, 218, 0.15);
    /* Teal accent border */
    backdrop-filter: blur(8px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    /* Deeper shadow */
    transition: transform 0.3s, border-color 0.3s;
    overflow-x: hidden;
    /* Prevent horizontal scrollbars from delete buttons */
}

.column:hover {
    border-color: rgba(127, 219, 218, 0.3);
}

.column-header {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 4px;
    border-bottom: 1px solid rgba(127, 219, 218, 0.1);
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.column-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
    font-style: italic;
    opacity: 0.8;
}

.column-header h2 {
    font-family: 'Cinzel', serif;
    /* Fantasy font */
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    color: var(--accent-color);
    /* Teal text */
    text-shadow: 0 0 10px rgba(127, 219, 218, 0.3);
}

.task-count {
    background: rgba(0, 0, 0, 0.4);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.task-list {
    padding: var(--spacing-sm);
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    /* Prevent horizontal scrollbars from delete buttons */
    min-height: 100px;
}

/* Tasks */
.task-card {
    position: relative;
    /* For absolute positioning of delete button */
    background: var(--card-bg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: grab;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    user-select: none;
}

/* Delete Bubble */
.delete-task-btn {
    position: absolute;
    top: -5px;
    /* Nudged in slightly */
    right: -5px;
    /* Nudged in slightly */
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--danger-color);
    color: white;
    border: 2px solid #1a1a1a;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    z-index: 5;
    padding: 0;
    line-height: 1;
}

.task-card:hover .delete-task-btn {
    opacity: 1;
}

.delete-task-btn:hover {
    transform: scale(1.2);
    background: #ff5252;
}

.task-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

.task-card.dragging {
    opacity: 0.5;
    border: 1px dashed var(--accent-color);
}

.task-title {
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.task-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

.priority-badge {
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.priority-low {
    background: rgba(81, 207, 102, 0.2);
    color: #51cf66;
}

.priority-medium {
    background: rgba(252, 196, 25, 0.2);
    color: #fcc419;
}

.priority-high {
    background: rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
}


/* Buttons */
.add-task-btn {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: var(--spacing-md);
    text-align: left;
    cursor: pointer;
    transition: color 0.2s;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.add-task-btn:hover {
    color: var(--accent-color);
    background: rgba(255, 255, 255, 0.02);
}

.btn-primary {
    background: var(--accent-color);
    color: #1a1a1a;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}


/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    backdrop-filter: blur(2px);
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: #2a2a2a;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    width: 400px;
    max-width: 90%;
    position: relative;
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.close-modal {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

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

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent-color);
    outline: none;
}

/* App Footer */
.app-footer {
    padding: var(--spacing-md);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
    background: rgba(20, 25, 20, 0.4);
    backdrop-filter: blur(8px);
    border-top: 1px solid rgba(127, 219, 218, 0.1);
    z-index: 5;
}

.app-footer p {
    margin: 0;
    opacity: 0.6;
}

/* Mushroom Counter */
.mushroom-counter {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background: rgba(45, 45, 45, 0.85);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 50px;
    border: 2px solid var(--accent-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(5px);
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.mushroom-counter:hover {
    background: rgba(45, 45, 45, 0.95);
    transform: scale(1.05);
}

.mushroom-counter.pulse {
    animation: counterPulse 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes counterPulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.3);
    }

    100% {
        transform: scale(1);
    }
}

.mushroom-icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

#mushroom-score {
    font-family: 'Cinzel', serif;
    font-size: 1.8rem;
    color: var(--accent-color);
    font-weight: 700;
    text-shadow: 0 0 5px rgba(127, 219, 218, 0.2);
}

/* Confetti */
#confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 999;
    overflow: hidden;
}

.confetti {
    position: absolute;
    top: -50px;
    font-size: 2rem;
    user-select: none;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

@keyframes fall {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }

    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .kanban-board {
        justify-content: flex-start;
        /* Better for horizontal scroll on tablets */
    }
}

@media (max-width: 768px) {
    body {
        overflow-y: auto;
        /* Allow scrolling on mobile */
    }

    .app-container {
        height: auto;
        min-height: 100vh;
    }

    .kanban-board {
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-md);
        padding-top: 140px;
        /* Nudged down 15px more per user request */
        justify-content: flex-start;
        overflow-x: hidden;
    }

    .column {
        min-width: 100%;
        max-width: 100%;
        max-height: none;
        /* Let columns grow with tasks */
        margin-bottom: var(--spacing-md);
    }

    .app-nav {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .logo {
        margin-bottom: 0.5rem;
    }

    .logo h1 {
        font-size: 1.2rem;
    }

    .mushroom-counter {
        bottom: 1rem;
        right: 1rem;
        padding: 0.5rem 1rem;
        transform: scale(0.8);
    }

    .mushroom-counter:hover {
        transform: scale(0.85);
    }

    .modal-content {
        width: 95%;
        padding: var(--spacing-md);
    }
}