/* DevTasker - Dark Mode & Glassmorphism */
:root {
    --bg-primary: #0f0f1a;
    --bg-secondary: #16162a;
    --bg-glass: rgba(22, 22, 42, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.12);
    --text-primary: #e8e8f0;
    --text-secondary: #a0a0b8;
    --accent-cyan: #00d4aa;
    --accent-purple: #8b5cf6;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    --priority-hitno: #ef4444;
    --priority-bitno: #f59e0b;
    --priority-moze: #00d4aa;
    --shadow-glow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --blur: 16px;
}

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

html {
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    min-height: 100dvh;
    background-image: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(139, 92, 246, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 100% 100%, rgba(0, 212, 170, 0.08), transparent);
    -webkit-font-smoothing: antialiased;
}

.app-container {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    min-height: 100dvh;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
    padding-top: max(1.5rem, env(safe-area-inset-top));
    padding-bottom: max(2rem, env(safe-area-inset-bottom));
}

/* Header & Progress */
.header {
    padding: 0 1.25rem 1.25rem;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.progress-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.progress-bar {
    height: 8px;
    background: var(--bg-glass);
    border-radius: 999px;
    overflow: hidden;
    backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 999px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Main Content */
.main-content {
    padding: 0 1.25rem;
}

/* Glassmorphism Form */
.add-task-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.add-task-form input,
.add-task-form select {
    background: var(--bg-glass);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 0.9rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.add-task-form input::placeholder {
    color: var(--text-secondary);
}

.add-task-form input:focus,
.add-task-form select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.2);
}

.add-task-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a0a0b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.add-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--accent-cyan), #00b894);
    border: none;
    border-radius: 14px;
    padding: 0.95rem 1.25rem;
    color: var(--bg-primary);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 20px rgba(0, 212, 170, 0.3);
}

.add-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(0, 212, 170, 0.4);
}

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

.add-icon {
    font-size: 1.1rem;
}

/* Task List */
.task-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Glassmorphism Task Card */
.task-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--bg-glass);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--shadow-glow);
    transition: opacity 0.4s ease, transform 0.4s ease, margin 0.4s ease;
}

.task-item.deleting {
    opacity: 0;
    transform: translateX(-20px) scale(0.95);
    margin-top: -4rem;
    pointer-events: none;
}

.task-item.completed .task-text {
    text-decoration: line-through;
    color: var(--text-secondary);
}

.task-checkbox {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 10px;
    border: 2px solid var(--glass-highlight);
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.task-item.completed .task-checkbox {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

.task-checkbox svg {
    width: 16px;
    height: 16px;
    opacity: 0;
    transition: opacity 0.2s;
}

.task-item.completed .task-checkbox svg {
    opacity: 1;
}

.task-content {
    flex: 1;
    min-width: 0;
}

.task-text {
    font-size: 1rem;
    font-weight: 500;
    word-break: break-word;
}

.task-priority {
    display: inline-block;
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    margin-top: 0.35rem;
    font-weight: 500;
}

.task-priority.hitno {
    background: rgba(239, 68, 68, 0.25);
    color: #f87171;
}

.task-priority.bitno {
    background: rgba(245, 158, 11, 0.25);
    color: #fbbf24;
}

.task-priority.moze {
    background: rgba(0, 212, 170, 0.25);
    color: #34d399;
}

.task-delete {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: background 0.2s, transform 0.2s;
}

.task-delete:hover {
    background: rgba(239, 68, 68, 0.3);
}

.task-delete:active {
    transform: scale(0.95);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-secondary);
}

.empty-state.hidden {
    display: none;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
    opacity: 0.6;
}

/* Responsive - Tablet & Desktop */
@media (min-width: 480px) {
    .app-container {
        padding: 2rem 1.5rem;
    }

    .input-group {
        flex-direction: row;
    }

    .add-task-form input {
        flex: 1;
    }

    .add-task-form select {
        width: 160px;
    }
}

/* Mobile-first enhancements */
@media (max-width: 380px) {
    .header,
    .main-content {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .task-item {
        padding: 0.9rem 1rem;
    }

    .logo {
        font-size: 1.5rem;
    }
}

/* Touch-friendly tap targets */
@media (hover: none) {
    .add-btn:active,
    .task-checkbox:active,
    .task-delete:active {
        opacity: 0.9;
    }
}