:root {
    --bg-color: #0f172a;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --neon-blue: #00f0ff;
    --neon-pink: #ff0055;
    --neon-green: #00ff88;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --primary-neon: var(--neon-blue);
}

body.break-mode {
    --primary-neon: var(--neon-pink);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Roboto', sans-serif;
    min-height: 100vh;
    background-image: radial-gradient(circle at top right, rgba(0, 240, 255, 0.15), transparent 40%),
                      radial-gradient(circle at bottom left, rgba(255, 0, 85, 0.15), transparent 40%);
    transition: background-image 0.5s ease;
}

.dashboard {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Glassmorphism utility */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
    border-radius: 20px;
}

/* Top Bar */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
}

.datetime {
    display: flex;
    flex-direction: column;
}

#current-date {
    font-size: 1rem;
    color: var(--text-muted);
}

#current-time {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    color: var(--primary-neon);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.weather-widget {
    text-align: right;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.weather-main {
    font-size: 1.5rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Grid Layout */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    grid-auto-rows: minmax(200px, auto);
}

.widget {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.3s ease;
}

.widget:hover {
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
}

.widget h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-neon);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Pomodoro Widget */
.pomodoro-widget {
    align-items: center;
}

.mode-selector {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.mode-selector button {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mode-selector button.active {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.timer-display {
    font-family: 'Orbitron', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-neon);
    text-shadow: 0 0 20px var(--primary-neon);
}

.colon { margin: 0 5px; animation: pulse 1s infinite alternate; }
@keyframes pulse { 0% { opacity: 1; } 100% { opacity: 0.3; } }

.controls {
    display: flex;
    gap: 1rem;
}

.ctrl-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ctrl-btn svg { width: 20px; height: 20px; }
.ctrl-btn:hover { border-color: var(--primary-neon); box-shadow: 0 0 10px var(--primary-neon); stroke: var(--primary-neon); }

/* Memo Widget */
.memo-widget { grid-row: span 2; }
#memo-pad {
    width: 100%;
    flex-grow: 1;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
    resize: none;
    outline: none;
    line-height: 1.5;
}

/* To-Do Widget */
.todo-widget { grid-row: span 2; }
#todo-list {
    list-style: none;
    flex-grow: 1;
    overflow-y: auto;
    margin-bottom: 1rem;
}

.todo-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.todo-item.completed span {
    text-decoration: line-through;
    color: var(--text-muted);
}

.todo-item span { flex-grow: 1; cursor: pointer; }
.todo-delete {
    background: transparent;
    border: none;
    color: #ff4444;
    cursor: pointer;
    font-size: 1.2rem;
}

#todo-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 0.8rem;
    border-radius: 8px;
    outline: none;
}
#todo-input:focus { border-color: var(--primary-neon); }

/* Shortcuts */
.shortcut-group { margin-bottom: 1.5rem; }
.group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}
.group-header h3 { font-size: 1rem; color: var(--text-muted); font-weight: 400; }
.icon-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    cursor: pointer;
}
.icon-btn:hover { background: var(--primary-neon); color: black; }

.shortcut-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.macro-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    padding: 0.5rem 0.8rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.macro-btn:hover {
    border-color: var(--primary-neon);
    background: rgba(255, 255, 255, 0.1);
}

.del-macro {
    color: #ff4444;
    background: transparent;
    border: none;
    cursor: pointer;
}

/* D-Day */
.dday-widget { align-items: center; justify-content: center; text-align: center; }
#dday-title { font-size: 1rem; color: var(--text-muted); margin-bottom: 0.5rem; }
#dday-count {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    color: var(--neon-green);
    text-shadow: 0 0 15px rgba(0, 255, 136, 0.4);
    margin-bottom: 1rem;
}
.text-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 6px;
    cursor: pointer;
}
.text-btn:hover { border-color: var(--primary-neon); }

/* Responsive */
@media (max-width: 768px) {
    .top-bar { flex-direction: column; gap: 1rem; text-align: center; }
    .weather-widget { text-align: center; }
    .weather-main { justify-content: center; }
}

/* Calculator Widget */
.calc-widget { justify-content: space-between; }
#calc-display {
    width: 100%;
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--primary-neon);
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    text-align: right;
    padding: 0.8rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    outline: none;
}
.calc-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}
.calc-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: white;
    font-size: 1.2rem;
    padding: 0.8rem 0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.calc-btn:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--primary-neon);
    color: var(--primary-neon);
}
.calc-btn.eq {
    background: rgba(0, 240, 255, 0.2);
    color: var(--primary-neon);
}
.calc-btn.clear, .calc-btn.backspace {
    color: #ff4444;
}

/* Habit Tracker Widget */
.habit-widget { display: flex; flex-direction: column; }
.habit-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    overflow-y: auto;
    flex-grow: 1;
}
.habit-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255,255,255,0.03);
    padding: 0.8rem;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.05);
}
.habit-info { display: flex; flex-direction: column; }
.habit-name { font-weight: 700; color: var(--text-main); }
.habit-count { font-size: 0.8rem; color: var(--text-muted); }
.habit-controls { display: flex; gap: 0.5rem; }
.habit-btn {
    background: rgba(255,255,255,0.05);
    border: none;
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
}
.habit-btn:hover { background: var(--primary-neon); color: black; }
.habit-btn.minus { color: var(--text-muted); }
.habit-btn.minus:hover { background: rgba(255,255,255,0.2); color: white; }