/* --- Variables & Reset --- */
:root {
    --bg-color: #ffffff;
    --primary-blue: #267dff;
    --accent-yellow: #ffc900;
    --border-color: #000000;
    --text-color: #000000;
    --border-width: 3px;
    --shadow-offset: 6px;
    --sidebar-width: 280px;
}

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

body {
    font-family: 'Space Grotesk', sans-serif;
    background-color: #f8f8f8;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- App Layout --- */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--primary-blue);
    border-right: var(--border-width) solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 50;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    border-bottom: var(--border-width) solid var(--border-color);
}

.sidebar-logo {
    height: 40px;
    display: block;
}

.sidebar-nav {
    flex: 1;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.nav-item {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 700;
    padding: 1rem;
    border: var(--border-width) solid transparent;
    transition: all 0.1s ease;
}

.nav-item:hover {
    border-color: var(--border-color);
    box-shadow: 4px 4px 0 var(--border-color);
    transform: translate(-2px, -2px);
}

.nav-item.active {
    background-color: var(--accent-yellow);
    border-color: var(--border-color);
    box-shadow: 4px 4px 0 var(--border-color);
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: var(--border-width) solid var(--border-color);
}

/* --- Main Content --- */
.dashboard-content {
    flex: 1;
    padding: 3rem;
    max-width: 1200px;
}

.dashboard-header {
    margin-bottom: 3rem;
}

.dashboard-header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.badge {
    display: inline-block;
    background-color: var(--primary-blue);
    color: #fff;
    border: 2px solid var(--border-color);
    padding: 0.2rem 0.6rem;
    font-weight: 700;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    box-shadow: 2px 2px 0 var(--border-color);
}

/* --- Dashboard Grid --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

/* Widgets */
.brutal-widget {
    border: var(--border-width) solid var(--border-color);
    padding: 2rem;
    box-shadow: 8px 8px 0 var(--border-color);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease;
}

.brutal-widget:hover {
    transform: translateY(-5px);
}

.widget-yellow { background-color: var(--accent-yellow); }
.widget-blue { background-color: var(--primary-blue); color: #fff; }
.widget-white { background-color: var(--bg-color); }

.widget-blue .widget-header h2 { color: #fff; }

.widget-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid currentColor;
    padding-bottom: 0.5rem;
}

.widget-header h2 {
    font-size: 1.5rem;
}

.count {
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* Lists and Cards */
.task-list, .activity-feed {
    list-style: none;
    flex: 1;
}

.task-item, .activity-item {
    background-color: rgba(255, 255, 255, 0.5);
    border: 2px solid var(--border-color);
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.widget-white .activity-item {
    background-color: #f8f8f8;
}

.task-name { font-size: 1.1rem; }
.task-due { font-size: 0.9rem; opacity: 0.8; }

.event-card {
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.event-time {
    font-weight: 700;
    border-right: 2px solid var(--border-color);
    padding-right: 1rem;
    min-width: 80px;
}

/* Live Indicator */
.live-indicator {
    width: 15px;
    height: 15px;
    background-color: #ff4d4d;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

.widget-link {
    margin-top: 1.5rem;
    font-weight: 700;
    color: inherit;
    text-decoration: none;
    display: inline-block;
}

.widget-link:hover {
    text-decoration: underline;
}

/* --- Buttons --- */
.btn {
    text-decoration: none;
    font-weight: 700;
    color: var(--text-color);
    border: var(--border-width) solid var(--border-color);
    box-shadow: 4px 4px 0 var(--border-color);
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    background-color: var(--bg-color);
    transition: all 0.15s ease-in-out;
}

.btn-full { width: 100%; }
.btn:hover { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--border-color); }

/* --- Reveal Animation --- */
.section-reveal {
    opacity: 0;
    animation: slideInRight 0.4s ease-out forwards;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .app-layout { flex-direction: column; }
    .sidebar { width: 100%; height: auto; position: static; border-right: none; border-bottom: var(--border-width) solid var(--border-color); }
    .sidebar-nav { flex-direction: row; flex-wrap: wrap; padding: 1rem; }
    .dashboard-content { padding: 1.5rem; }
}
/* Connect Classroom Widget State */
.connect-classroom-box {
    background-color: var(--bg-color);
    border: var(--border-width) solid var(--border-color);
    padding: 1rem;
    text-align: center;
    font-weight: 700;
    box-shadow: 3px 3px 0 var(--border-color);
}

.connect-classroom-box p {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.flex-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
}

/* --- Calendar Grid --- */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.day-column {
    background-color: #f8f8f8;
    border: var(--border-width) solid var(--border-color);
    box-shadow: 4px 4px 0 var(--border-color);
    display: flex;
    flex-direction: column;
    min-height: 500px;
}

.day-title {
    background-color: var(--border-color);
    color: #fff;
    padding: 1rem;
    text-align: center;
    font-size: 1.2rem;
    border-bottom: var(--border-width) solid var(--border-color);
}

.day-events {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex: 1;
}

/* --- Event Cards --- */
.event-block {
    border: 2px solid var(--border-color);
    padding: 0.75rem;
    box-shadow: 2px 2px 0 var(--border-color);
    font-size: 0.9rem;
    transition: transform 0.1s;
}

.event-block:hover {
    transform: translateY(-2px);
}

.event-time {
    font-weight: 700;
    margin-bottom: 0.25rem;
    font-size: 0.8rem;
    border-bottom: 2px solid rgba(0,0,0,0.2);
    padding-bottom: 0.25rem;
}

/* Event Types */
.type-deadline { background-color: #ff4d4d; color: white; }
.type-study { background-color: var(--accent-yellow); color: var(--text-color); }
.type-class { background-color: var(--primary-blue); color: white; }

/* --- Loading State --- */
.brutal-alert {
    background-color: var(--bg-color);
    border: var(--border-width) solid var(--border-color);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 4px 4px 0 var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 700;
}

.brutal-alert.hidden { display: none; }

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* --- Responsive --- */
@media (max-width: 1100px) {
    .calendar-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}
@media (max-width: 768px) {
    .calendar-grid { grid-template-columns: 1fr; }
    .day-column { min-height: auto; }
}