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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: #000000;
    color: #ffffff;
    min-height: 100vh;
    line-height: 1.6;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background-color: rgba(0, 0, 0, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.header-subtitle {
    font-size: 0.875rem;
    color: #9ca3af;
    margin-top: 0.25rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: #d1d5db;
}

.icon {
    flex-shrink: 0;
}

/* Navigation Tabs */
.nav-tabs {
    position: sticky;
    top: 73px;
    z-index: 40;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background-color: rgba(0, 0, 0, 0.6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    gap: 0.25rem;
    overflow-x: auto;
    scrollbar-width: none;
}

.nav-container::-webkit-scrollbar {
    display: none;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    background: none;
    border: none;
    color: #9ca3af;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.nav-tab:hover {
    color: #d1d5db;
}

.nav-tab.active {
    color: #ffffff;
    border-bottom-color: #ffffff;
}

/* Main Content */
.main-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Progress Card */
.progress-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 0.75rem;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.progress-label {
    font-size: 0.875rem;
    color: #9ca3af;
    margin-bottom: 0.5rem;
}

.progress-bar-container {
    height: 0.5rem;
    border-radius: 9999px;
    background-color: rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: #ffffff;
    transition: width 0.3s ease;
    border-radius: 9999px;
}

.progress-text {
    font-size: 0.75rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

/* Day Selector */
.day-selector {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    scrollbar-width: none;
}

.day-selector::-webkit-scrollbar {
    display: none;
}

.day-button {
    padding: 0.75rem 1.5rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    background-color: rgba(255, 255, 255, 0.05);
    color: #9ca3af;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.day-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.day-button.active {
    background-color: #ffffff;
    color: #000000;
}

/* Schedule Cards */
.schedule-container {
    display: grid;
    gap: 0.75rem;
}

.schedule-card {
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 1rem;
    padding: 1rem;
    transition: all 0.2s ease;
    border: 1px solid;
}

.schedule-card:hover {
    transform: scale(1.01);
}

.schedule-card.completed {
    opacity: 0.6;
}

.schedule-card-content {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.schedule-icon {
    padding: 0.75rem;
    border-radius: 0.75rem;
    background-color: rgba(255, 255, 255, 0.05);
    flex-shrink: 0;
}

.schedule-info {
    flex: 1;
    min-width: 0;
}

.schedule-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: #9ca3af;
    font-family: Monaco, 'Courier New', monospace;
}

.schedule-location {
    font-size: 0.75rem;
    color: #6b7280;
}

.schedule-title {
    font-size: 1rem;
    font-weight: 500;
    margin-top: 0.25rem;
}

.schedule-title.completed {
    text-decoration: line-through;
}

.schedule-description {
    font-size: 0.875rem;
    color: #9ca3af;
    margin-top: 0.25rem;
}

.schedule-checkbox {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background-color: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.schedule-checkbox:hover {
    border-color: rgba(255, 255, 255, 0.4);
}

.schedule-checkbox.checked {
    background-color: #10b981;
    border-color: #10b981;
}

/* Type Colors with Gradients */
.type-school { 
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(37, 99, 235, 0.2));
    border-color: rgba(59, 130, 246, 0.3);
}
.type-school .schedule-icon { color: #60a5fa; }

.type-study { 
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(147, 51, 234, 0.2));
    border-color: rgba(168, 85, 247, 0.3);
}
.type-study .schedule-icon { color: #a78bfa; }

.type-fitness { 
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(5, 150, 105, 0.2));
    border-color: rgba(16, 185, 129, 0.3);
}
.type-fitness .schedule-icon { color: #34d399; }

.type-wellness { 
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.2), rgba(219, 39, 119, 0.2));
    border-color: rgba(236, 72, 153, 0.3);
}
.type-wellness .schedule-icon { color: #f472b6; }

.type-other { 
    background: linear-gradient(135deg, rgba(107, 114, 128, 0.2), rgba(75, 85, 99, 0.2));
    border-color: rgba(107, 114, 128, 0.3);
}
.type-other .schedule-icon { color: #9ca3af; }

/* Info Cards */
.info-card {
    border-radius: 1.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid;
}

.info-card h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.info-card p {
    font-size: 0.875rem;
    color: #9ca3af;
}

.info-card-green {
    border-color: rgba(16, 185, 129, 0.2);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
}

.info-card-pink {
    border-color: rgba(236, 72, 153, 0.2);
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.1), rgba(219, 39, 119, 0.1));
}

.info-card-blue {
    border-color: rgba(59, 130, 246, 0.2);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(29, 78, 216, 0.1));
}

/* Content Cards */
.content-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.content-card h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.text-green { color: #34d399; }
.text-pink { color: #f472b6; }
.text-blue { color: #60a5fa; }

/* Exercise List */
.exercise-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.exercise-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: #d1d5db;
    font-size: 0.875rem;
}

.exercise-number {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background-color: rgba(16, 185, 129, 0.2);
    color: #34d399;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 500;
}

.exercise-number.pink {
    background-color: rgba(236, 72, 153, 0.2);
    color: #f472b6;
}

.exercise-number.blue {
    background-color: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

/* Resources List */
.resources-list {
    list-style: none;
    padding: 0;
}

.resources-list li {
    margin-bottom: 0.75rem;
}

.resources-list a {
    color: #60a5fa;
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border-radius: 0.5rem;
    background-color: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.resources-list a::before {
    content: "→";
    color: #60a5fa;
    font-weight: bold;
}

.resources-list a:hover {
    background-color: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    transform: translateX(4px);
}

/* Warning Cards */
.warning-card {
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid;
}

.warning-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.warning-card ul {
    list-style: none;
    padding: 0;
}

.warning-card li {
    font-size: 0.875rem;
    color: #d1d5db;
    margin-bottom: 0.5rem;
}

.warning-yellow {
    background-color: rgba(234, 179, 8, 0.1);
    border-color: rgba(234, 179, 8, 0.2);
}

.warning-yellow h3 {
    color: #fbbf24;
}

.warning-purple {
    background-color: rgba(168, 85, 247, 0.1);
    border-color: rgba(168, 85, 247, 0.2);
}

.warning-purple h3 {
    color: #a78bfa;
}

.warning-green {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
}

.warning-green h3 {
    color: #34d399;
}

.warning-orange {
    background-color: rgba(249, 115, 22, 0.1);
    border-color: rgba(249, 115, 22, 0.2);
}

.warning-orange h3 {
    color: #fb923c;
}

.warning-red {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
}

.warning-red h3 {
    color: #f87171;
}

/* Grid */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .main-content {
        padding: 1.5rem 1rem;
    }
}