* {
    box-sizing: border-box;
}

html {
    height: 100%;
    overflow: hidden;
}

body {
    margin: 0;
    padding: 0;
    height: 100vh;
    width: 100vw;
    background: linear-gradient(135deg, #0f1419 0%, #1a2332 50%, #0f1419 100%);
    color: #f5f5f5;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1.5vw;
    overflow: hidden;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    padding: 1.6vw;
    gap: 1.6vw;
}

.header {
    text-align: center;
    flex-shrink: 0;
}

.header h1 {
    font-size: 4.2vw;
    font-weight: 800;
    margin: 0 0 0.6vw 0;
    background: linear-gradient(45deg, #4285f4, #34a853, #9c27b0, #8d6e63);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 4s ease-in-out infinite;
}

.date-info {
    font-size: 1.8vw;
    color: #ffffff;
    opacity: 0.9;
    font-weight: 500;
    margin: 0;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.workouts-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5vw;
    overflow: hidden;
    min-height: 0;
}

.workout-section {
    display: flex;
    flex-direction: column;
    gap: 1vw;
    flex: 1;
}

.section-title {
    font-size: 2vw;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
    padding: 0.6vw 1vw;
    border-left: 0.35vw solid #4285f4;
    opacity: 0.9;
    background: rgba(255,255,255,0.05);
    border-radius: 0.5vw;
}

.workouts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5vw;
    align-items: stretch;
    flex: 1;
}

.extra-workouts {
    display: flex;
    flex-direction: column;
    gap: 1.2vw;
}

.extra-workout-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5vw;
}

.workout {
    background: rgba(255,255,255,0.08);
    border-radius: 1vw;
    padding: 0.7vw;
    display: flex;
    flex-direction: column;
    gap: 0.8vw;
    border-left: 0.5vw solid;
    transition: all 0.3s ease;
    box-shadow: 0 0.35vw 1.4vw rgba(0,0,0,0.2);
    backdrop-filter: blur(5px);
    position: relative;
    overflow: hidden;
    min-height: 12vw; /* Zvětšeno z 10vw na 12vw pro více místa */
}

.workout.span-2 { grid-column: span 2; }
.workout.span-3 { grid-column: span 3; }
.workout.span-4 { grid-column: span 4; }

.workout::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.05) 100%);
    pointer-events: none;
}

.workout.multi-level {
    border-left: 0.5vw solid transparent;
    border-radius: 1vw;
    border-color: var(--gradient);
    background: rgba(255,255,255,0.12);
}

/* Nové barvy pro levely */
.workout.level-L1 {
    border-left-color: #4285f4;
    box-shadow: 0 0.35vw 1.4vw rgba(66, 133, 244, 0.2);
}
.workout.level-L2 {
    border-left-color: #34a853;
    box-shadow: 0 0.35vw 1.4vw rgba(52, 168, 83, 0.2);
}
.workout.level-L3 {
    border-left-color: #9c27b0;
    box-shadow: 0 0.35vw 1.4vw rgba(156, 39, 176, 0.2);
}
.workout.level-L4 {
    border-left-color: #8d6e63;
    box-shadow: 0 0.35vw 1.4vw rgba(141, 110, 99, 0.2);
}

.workout:hover {
    transform: translateY(-0.18vw) scale(1.02);
    box-shadow: 0 0.7vw 2.2vw rgba(0,0,0,0.4);
}

.title {
    font-size: 1.8vw;
    font-weight: 700;
    letter-spacing: 0.025vw;
    margin: 0;
    text-shadow: 0 0.18vw 0.7vw rgba(0,0,0,0.5);
    position: relative;
    z-index: 1;
    line-height: 1.2;
    flex-shrink: 0; /* Zabráníme smrštění titulku */
}

/* Nové barvy pro title podle levelů */
.workout.level-L1 .title { color: #4285f4; }
.workout.level-L2 .title { color: #34a853; }
.workout.level-L3 .title { color: #9c27b0; }
.workout.level-L4 .title { color: #8d6e63; }
.workout.multi-level .title {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.description {
    font-size: 1.3vw;
    line-height: 1.4;
    white-space: pre-line;
    color: #f0f0f0;
    letter-spacing: 0.015vw;
    margin: 0;
    flex: 1;
    position: relative;
    z-index: 1;
    overflow: auto; /* Změněno z hidden na auto pro scrollování */
    /* Odstraněno -webkit-line-clamp omezení */
}

.level-badge {
    position: absolute;
    top: 0.8vw;
    right: 0.8vw;
    background: rgba(0,0,0,0.6);
    color: white;
    padding: 0.4vw 0.8vw;
    border-radius: 0.5vw;
    font-size: 1vw;
    font-weight: 600;
    backdrop-filter: blur(5px);
    z-index: 2; /* Zvýšeno aby byl badge nad textem */
}

.level-badge.multi {
    background: var(--gradient);
}

.empty-slot {
    background: rgba(255,255,255,0.04);
    border: 0.18vw dashed rgba(255,255,255,0.2);
    border-radius: 1vw;
    padding: 1.6vw;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.4);
    font-style: italic;
    font-size: 1.3vw;
    min-height: 12vw; /* Také zvětšeno */
}

/* Scrollbar styling pro description */
.description::-webkit-scrollbar {
    width: 0.3vw;
}

.description::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.05);
    border-radius: 0.15vw;
}

.description::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 0.15vw;
}

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

/* Scrollbar styling */
.workouts-container::-webkit-scrollbar {
    width: 1vw;
}

.workouts-container::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.05);
    border-radius: 0.5vw;
}

.workouts-container::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #4285f4, #34a853);
    border-radius: 0.5vw;
}

.workouts-container::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #34a853, #9c27b0);
}

/* Responsive adjustments pro TV */
@media (max-width: 3840px) {
    .container { padding: 1.2vw; gap: 1.2vw; }
    .workouts-grid, .extra-workout-row { gap: 1.2vw; }
    .header h1 { font-size: 3.8vw; }
}

@media (max-width: 1920px) {
    .container { padding: 1vw; gap: 1vw; }
    .workouts-grid, .extra-workout-row { gap: 1vw; }
    .header h1 { font-size: 3.2vw; }
}

@media (max-width: 1400px) {
    .workouts-grid, .extra-workout-row {
        grid-template-columns: repeat(3, 1fr);
    }
    .workout.span-4 { grid-column: span 3; }
    .title { font-size: 2vw; }
    .description { font-size: 1.5vw; }
}

@media (max-width: 950px) {
    .workouts-grid, .extra-workout-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .workout.span-3, .workout.span-4 { grid-column: span 2; }
    .title { font-size: 2.2vw; }
    .description { font-size: 1.7vw; }
}