/* Calendar Container */
.calendar-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: transparent;
    border-radius: 12px;
    padding: 0;
    z-index: 1000;
    width: 97vw;
    max-width: none;
    max-height: 90vh;
    overflow-y: auto;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
    touch-action: pan-y; /* Enable vertical scrolling */
}

/* Hide scrollbar for Chrome, Safari and Opera */
.calendar-container::-webkit-scrollbar {
    display: none;
}

/* Year Selector */
.year-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    background: rgba(22, 27, 34, 0.6);
    padding: 12px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(201, 209, 217, 0.3);
    height: auto;
}

.year-selector select {
    background: rgba(13, 17, 23, 0.6);
    color: #c9d1d9;
    border: 1px solid rgba(201, 209, 217, 0.3);
    border-radius: 6px;
    padding: 10px 20px;
    font-size: 18px;
    cursor: pointer;
    outline: none;
    font-family: "Courier New", monospace;
    backdrop-filter: blur(4px);
    min-width: 100px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.year-selector select:hover {
    border-color: rgba(201, 209, 217, 0.5);
}

.year-selector select:focus {
    border-color: rgba(201, 209, 217, 0.5);
    box-shadow: 0 0 0 2px rgba(201, 209, 217, 0.1);
}

.year-selector label {
    color: rgba(201, 209, 217, 0.7);
    font-size: 16px;
    font-family: "Courier New", monospace;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* Year Container */
.year-container {
    margin-bottom: 32px;
    width: 100%;
    padding: 24px 48px;
}

/* Year Label */
.year-label {
    color: #8b949e;
    font-size: 1.2rem;
    margin-bottom: 16px;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Month Grid */
.month-grid {
    display: flex;
    flex-direction: row;
    gap: 8px;
    margin-bottom: 16px;
    width: 100%;
}

/* Week Grid */
.week-grid {
    display: flex;
    flex-direction: row;
    gap: 4px;
    align-items: flex-start;
    width: 100%;
    justify-content: flex-start;
    flex-wrap: nowrap;
}

/* Week Container */
.week-container {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 18px;
    flex: 1;
}

/* Day Box */
.day-box {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    z-index: 1;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.day-box:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.day-box.selected {
    transform: scale(1.2);
    box-shadow: 0 0 0 2px #58a6ff, 0 4px 8px rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.day-box.selected:hover {
    transform: scale(1.3);
}

.day-box:hover .tooltip {
    display: block;
}

.day-box.empty {
    opacity: 0.3;
    cursor: default;
}

/* Contribution Levels */
.contribution-0 { background-color: rgba(22, 27, 34, 0.8); }
.contribution-1 { background-color: rgba(14, 68, 41, 0.8); }
.contribution-2 { background-color: rgba(0, 109, 50, 0.8); }
.contribution-3 { background-color: rgba(38, 166, 65, 0.8); }
.contribution-4 { background-color: rgba(57, 211, 83, 0.8); }

/* Modal Styles */
.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(22, 27, 34, 0.95);
    border: 1px solid rgba(201, 209, 217, 0.2);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    z-index: 2000;
    width: 90%;
    max-width: 400px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1999;
}

.modal-header {
    padding: 24px 24px 16px;
    border-bottom: 1px solid rgba(201, 209, 217, 0.1);
    position: relative;
}

.modal-title {
    color: #c9d1d9;
    font-size: 18px;
    font-weight: 600;
    font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    text-align: center;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: #8b949e;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    line-height: 1;
    transition: all 0.2s ease;
    border-radius: 6px;
}

.modal-close:hover {
    color: #c9d1d9;
    background: rgba(201, 209, 217, 0.1);
}

.modal-content {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
    padding: 20px 0;
    scroll-behavior: smooth;
}

.modal-input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(13, 17, 23, 0.6);
    border: 1px solid rgba(201, 209, 217, 0.2);
    border-radius: 8px;
    color: #c9d1d9;
    font-size: 14px;
    font-family: "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin-bottom: 16px;
    transition: all 0.2s ease;
    box-sizing: border-box;
    resize: none;
    min-height: 100px;
    max-height: 200px;
    overflow-y: auto;
    line-height: 1.5;
}

.modal-input:focus {
    outline: none;
    border-color: #58a6ff;
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
    background: rgba(13, 17, 23, 0.8);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 8px;
    padding: 0 8px 8px;
}

.modal-button {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(201, 209, 217, 0.3);
    background: rgba(22, 27, 34, 0.6);
    color: #c9d1d9;
    min-width: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 40px;
}

.modal-button .button-icon {
    display: none;
    font-size: 16px;
    line-height: 1;
}

.modal-button .button-text {
    display: inline-block;
}

.modal-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
    background: rgba(22, 27, 34, 0.3);
}

.modal-button-primary {
    background: rgba(35, 134, 54, 0.6);
    color: #c9d1d9;
    border: 1px solid rgba(35, 134, 54, 0.3);
}

.modal-button-primary:hover:not(:disabled) {
    background: rgba(35, 134, 54, 0.8);
    border-color: rgba(35, 134, 54, 0.5);
}

.modal-button-secondary {
    background: rgba(22, 27, 34, 0.6);
    color: #c9d1d9;
    border: 1px solid rgba(201, 209, 217, 0.3);
}

.modal-button-secondary:hover:not(:disabled) {
    background: rgba(22, 27, 34, 0.8);
    border-color: rgba(201, 209, 217, 0.5);
}

/* Tooltip */
.tooltip {
    position: absolute;
    background: rgba(22, 27, 34, 0.95);
    color: #c9d1d9;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    white-space: nowrap;
    z-index: 1000;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    display: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.day-box:hover .tooltip {
    display: block;
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .calendar-container {
        width: 98vw;
    }
    
    .year-container {
        padding: 12px 24px;
    }
    
    .week-container {
        gap: 2px;
        min-width: 18px;
    }

    .week-grid {
        gap: 4px;
    }

    .day-box {
        min-width: 18px;
        min-height: 18px;
    }

    .logo-container {
        top: 6px;
        left: 6px;
        height: 20px;
        transform: scale(0.65);
        transform-origin: top left;
    }

    .logo-letter {
        width: 14px;
        height: 14px;
        font-size: 9px;
    }

    .logo-subtitle {
        font-size: 5px;
        margin-top: 0;
        letter-spacing: 0.5px;
    }

    .year-selector {
        top: 18px;
        right: 8px;
        padding: 8px 12px;
        height: auto;
        gap: 6px;
    }

    .year-selector select {
        padding: 4px 10px;
        font-size: 14px;
        min-width: 70px;
        height: 28px;
        margin: 0;
    }

    .year-selector label {
        font-size: 12px;
        margin: 0;
        line-height: 1;
        letter-spacing: 1px;
    }

    .modal {
        width: 92vw;
        max-width: none;
        max-height: 85vh;
    }

    .modal-header {
        padding: 20px 16px 16px;
    }

    .modal-close {
        top: 16px;
        right: 16px;
        padding: 6px;
        font-size: 20px;
    }

    .modal-content {
        padding: 20px 16px;
        -webkit-overflow-scrolling: touch;
    }

    .modal-title {
        font-size: 16px;
        padding-right: 24px;
    }

    .modal-input {
        padding: 10px 14px;
        font-size: 13px;
        margin-bottom: 14px;
        min-height: 80px;
        max-height: 150px;
    }

    .modal-actions {
        gap: 8px;
        padding: 0 8px 8px;
    }

    .modal-button {
        padding: 8px;
        min-width: 48px;
        height: 40px;
        width: 48px;
    }

    .modal-button .button-icon {
        display: inline-block;
        font-size: 18px;
    }

    .modal-button .button-text {
        display: none;
    }
}

/* Logo Styles */
.logo-container {
    position: fixed;
    top: 20px;
    left: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 1000;
    pointer-events: none;
    height: 40px;
}

.logo-letters {
    display: flex;
    gap: 4px;
}

.logo-subtitle {
    color: rgba(201, 209, 217, 0.7);
    font-family: "Courier New", monospace;
    font-style: italic;
    font-size: 12px;
    margin-top: 4px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.logo-letter {
    width: 28px;
    height: 28px;
    background: rgba(22, 27, 34, 0.6);
    border: 1px solid rgba(201, 209, 217, 0.3);
    color: #c9d1d9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Courier New", monospace;
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 0;
    backdrop-filter: blur(4px);
    text-transform: uppercase;
}

/* Button Icons */
.button-icon {
    display: none;
    font-size: 18px;
    line-height: 1;
}

.button-text {
    display: inline-block;
}

/* Info Button */
.info-button {
    position: fixed;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(22, 27, 34, 0.8);
    border: 1px solid rgba(201, 209, 217, 0.3);
    color: #c9d1d9;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    backdrop-filter: blur(4px);
    z-index: 2000;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.info-button:hover {
    background: rgba(22, 27, 34, 0.9);
    transform: translateX(-50%) scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.info-button.active {
    background: rgba(35, 134, 54, 0.8);
    border-color: rgba(35, 134, 54, 0.3);
    transform: translateX(-50%) rotate(45deg);
}

.info-button.active:hover {
    background: rgba(35, 134, 54, 0.9);
    border-color: rgba(35, 134, 54, 0.5);
}

/* Info Modal */
.info-modal {
    max-width: 90vw;
    width: 500px;
    background: rgba(22, 27, 34, 0.95);
    border: 1px solid rgba(201, 209, 217, 0.2);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    border-radius: 12px;
    overflow: hidden;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.info-modal .modal-header {
    padding: 32px 32px 24px;
    border-bottom: 1px solid rgba(201, 209, 217, 0.1);
    flex-shrink: 0;
}

.info-modal .modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: #8b949e;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    line-height: 1;
    transition: color 0.2s ease;
    border-radius: 6px;
}

.info-modal .modal-close:hover {
    color: #c9d1d9;
    background: rgba(201, 209, 217, 0.1);
}

.info-modal .modal-content {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
    scrollbar-width: thin;
    scrollbar-color: rgba(201, 209, 217, 0.2) transparent;
}

.info-modal .logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 auto;
    padding: 0 20px;
}

.info-modal .logo-letters {
    display: flex;
    gap: 4px;
    margin-bottom: 4px;
}

.info-modal .logo-letter {
    width: 24px;
    height: 24px;
    font-size: 14px;
    font-family: "SF Mono", "Consolas", "Courier New", monospace;
    font-weight: 600;
}

.info-modal .logo-subtitle {
    font-size: 10px;
    margin-top: 2px;
    font-family: "SF Mono", "Consolas", "Courier New", monospace;
    letter-spacing: 1px;
}

.info-section {
    margin-bottom: 24px;
    padding: 0 16px;
}

.info-section:last-child {
    margin-bottom: 0;
}

.info-section h3 {
    margin-bottom: 12px;
    color: #c9d1d9;
}

.info-section p, .info-section li {
    color: #8b949e;
    line-height: 1.5;
    margin-bottom: 8px;
}

.info-section pre {
    background: #161b22;
    padding: 12px;
    border-radius: 6px;
    margin: 8px 0;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-size: 14px;
    color: #c9d1d9;
}

.info-section ul, .info-section ol {
    padding-left: 20px;
    margin: 8px 0;
}

.info-section li {
    margin-bottom: 4px;
}

.info-section strong {
    color: #c9d1d9;
    font-weight: 600;
}

.info-section code {
    background: rgba(22, 27, 34, 0.6);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: "SF Mono", "Consolas", "Courier New", monospace;
    font-size: 12px;
    color: #c9d1d9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .info-button {
        width: 32px;
        height: 32px;
        font-size: 16px;
        bottom: 16px;
    }

    .info-modal {
        width: 92vw;
        margin: 0;
        max-height: 85vh;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }

    .info-modal .modal-header {
        padding: 20px 16px 16px;
    }

    .info-modal .modal-close {
        top: 16px;
        right: 16px;
        padding: 6px;
        font-size: 20px;
    }

    .info-modal .modal-content {
        padding: 20px 16px;
        -webkit-overflow-scrolling: touch;
    }

    .info-modal .logo-container {
        padding: 0 12px;
        transform: scale(0.9);
    }

    .info-modal .logo-letter {
        width: 18px;
        height: 18px;
        font-size: 11px;
    }

    .info-modal .logo-subtitle {
        font-size: 7px;
        margin-top: 1px;
    }

    .info-section {
        margin-bottom: 20px;
        padding: 0;
    }

    .info-section h3 {
        font-size: 14px;
        margin-bottom: 10px;
    }

    .info-section p,
    .info-section ul,
    .info-section ol {
        font-size: 12px;
        line-height: 1.5;
        margin-bottom: 12px;
    }

    .info-section ul,
    .info-section ol {
        margin-left: 16px;
        padding-right: 8px;
    }

    .info-section li {
        margin-bottom: 8px;
    }

    .info-section strong {
        font-weight: 500;
    }

    .info-section code {
        font-size: 10px;
        padding: 1px 4px;
    }

    /* Adjust scrollbar for mobile */
    .info-modal .modal-content::-webkit-scrollbar {
        width: 4px;
    }

    .info-modal .modal-content::-webkit-scrollbar-thumb {
        background-color: rgba(201, 209, 217, 0.15);
    }
}

/* Social Links */
.social-icons {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 12px;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #c9d1d9;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
    background: rgba(22, 27, 34, 0.6);
    border: 1px solid rgba(201, 209, 217, 0.2);
    transition: all 0.2s ease;
    font-size: 13px;
}

.social-link:hover {
    background: rgba(22, 27, 34, 0.8);
    border-color: rgba(201, 209, 217, 0.4);
    transform: translateY(-1px);
}

.social-link svg {
    width: 16px;
    height: 16px;
}

@media (max-width: 768px) {
    .social-icons {
        gap: 8px;
    }

    .social-link {
        padding: 4px 8px;
        font-size: 12px;
    }

    .social-link svg {
        width: 14px;
        height: 14px;
    }
}

/* Style the scrollbar */
.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: #161b22;
}

.modal-content::-webkit-scrollbar-thumb {
    background: #30363d;
    border-radius: 4px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: #3f444c;
}