:root {
    --c-primary-rgb: 197, 251, 80;
    --c-primary: #c5fb50;
    --c-primary-contrast: #2e2e2e;
    --c-primary-contrast-rgb: 46, 46, 46;
    --c-primary-shade: #b0e248;
    --c-primary-tint: #cbfd6a;

    --c-background-rgb: 7, 23, 25;
    --c-background: rgb(var(--c-background-rgb));
    --c-background-contrast: #f3f3f3;
    --c-background-shade: rgb(3, 10, 11);
    --c-background-tint: rgb(21, 69, 75);

    --c-font: var(--c-background-contrast);
    --c-font-contrast: var(--c-background);
    --c-font-shade: #8d9093;
    --c-font-tint: #ffffff;

    --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-light: 0 2px 6px rgba(0, 0, 0, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    background-color: var(--c-background);
    color: var(--c-font);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: rgba(var(--c-background-rgb), 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 10;
}

.logo {
    font-size: 1.75rem;
    font-weight: bold;
    color: var(--c-primary);
}

.add-button {
    font-size: 2.5rem;
    line-height: 1;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--c-primary);
    transition: transform 0.2s ease-in-out;
}

.add-button:hover {
    transform: scale(1.2);
}

main {
    padding: 1.5rem;
}

.apex-tags-filter-container, .tags-filter-container .tags-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.tags-filter-container {
    margin-bottom: 1.5rem;
}

.tags-filter-container h3 {
    color: var(--c-primary);
    margin-bottom: 1rem;
}

.tag {
    padding: 0.6rem 1.2rem;
    background-color: var(--c-background-tint);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    border: 1px solid transparent;
}

.tag:hover {
    transform: translateY(-2px);
    border-color: var(--c-primary);
}

.tag.selected {
    background-color: var(--c-primary);
    color: var(--c-primary-contrast);
    font-weight: bold;
}

.activity-count {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--c-font-shade);
}

.random-button {
    width: 100%;
    padding: 1.2rem;
    font-size: 1.25rem;
    font-weight: bold;
    background-color: var(--c-primary);
    color: var(--c-primary-contrast);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 0 20px rgba(var(--c-primary-rgb), 0.4);
}

.random-button:hover {
    transform: scale(1.02);
    box-shadow: 0 0 30px rgba(var(--c-primary-rgb), 0.6);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 20;
}

.modal {
    background-color: var(--c-background-tint);
    padding: 2.5rem;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal h2 {
    color: var(--c-primary);
    margin-top: 0;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--c-font-tint);
    font-weight: 500;
}

.tags-input-container {
    display: flex;
    gap: 0.5rem;
}

.tags-input-container input {
    flex-grow: 1;
}

.add-tag-button {
    padding: 0.5rem 1rem;
    background-color: var(--c-primary);
    color: var(--c-primary-contrast);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}

.added-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.added-tag {
    padding: 0.5rem 1rem;
    background-color: var(--c-primary);
    color: var(--c-primary-contrast);
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.remove-tag-button {
    background: none;
    border: none;
    color: var(--c-primary-contrast);
    font-weight: bold;
    cursor: pointer;
    font-size: 1rem;
}

input, textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--c-font-shade);
    border-radius: 8px;
    box-sizing: border-box;
    background-color: var(--c-background);
    color: var(--c-font);
    font-size: 16px;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--c-primary);
    box-shadow: 0 0 10px rgba(var(--c-primary-rgb), 0.3);
}

.form-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

.form-buttons button {
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: bold;
}

.submit-button {
    background-color: var(--c-primary);
    color: var(--c-primary-contrast);
}

.close-button {
    background-color: var(--c-font-shade);
    color: var(--c-font-tint);
}

.random-activity-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 30;
}

.random-activity-modal {
    background-color: var(--c-background-tint);
    padding: 3rem;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.random-activity-modal h3 {
    color: var(--c-primary);
    font-size: 2rem;
}

.random-activity-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.random-activity-buttons button {
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.2s ease-in-out;
}

.add-apex-tag-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 25;
}

.add-apex-tag-modal-overlay .modal button[type="submit"] {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    margin-top: 1rem;
}

.apex-tag-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}


.reroll-button {
    background-color: var(--c-font-shade);
    color: var(--c-font-tint);
}

.reroll-button:hover {
    background-color: var(--c-font-tint);
    color: var(--c-font-shade);
}

.confirm-button {
    background-color: var(--c-primary);
    color: var(--c-primary-contrast);
}

.confirm-button:hover {
    background-color: var(--c-primary-shade);
}

.repeat-button {
    background-color: transparent;
    color: var(--c-primary);
    border: 1px solid var(--c-primary);
}

.repeat-button:hover {
    background-color: var(--c-primary);
    color: var(--c-primary-contrast);
}

.history-button, .back-button {
    position: fixed;
    bottom: 1.5rem;
    left: 1.5rem;
    padding: 1rem 1.5rem;
    background-color: var(--c-primary);
    color: var(--c-primary-contrast);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: var(--shadow);
    font-weight: bold;
    text-decoration: none;
    transition: transform 0.2s;
    z-index: 5;
}

.history-button:hover, .back-button:hover {
    transform: scale(1.05);
}

.activity-list, .suggested-list, .completed-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-list li, .suggested-list li, .completed-list li {
    background-color: var(--c-background-tint);
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-light);
    transition: transform 0.2s, box-shadow 0.2s;
}

.activity-list li:hover, .suggested-list li:hover, .completed-list li:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.activity-list .activity-info h3, .suggested-list .activity-info h3, .completed-list .activity-info h3 {
    margin: 0 0 0.5rem 0;
    color: var(--c-primary-tint);
}

.activity-list .activity-info p, .suggested-list .activity-info p, .completed-list .activity-info p {
    margin: 0;
    color: var(--c-font-shade);
    max-width: 40ch;
}

.activity-list .activity-info .done, .suggested-list .activity-info .done, .completed-list .activity-info .done {
    color: var(--c-font-shade);
    font-style: italic;
}

.delete-button, .reactivate-button {
    padding: 0.7rem 1.2rem;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.2s, opacity 0.2s;
}

.delete-button {
    background-color: #dc3545;
}

.reactivate-button {
    background-color: #0d6efd;
}

.delete-button:hover, .reactivate-button:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--c-primary);
    color: var(--c-primary-contrast);
    padding: 1rem 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    z-index: 100;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    animation: fadeInOut 3s forwards;
}

.toast.error {
    background-color: #dc3545;
    color: white;
}

@keyframes fadeInOut {
    0% { opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { opacity: 0; }
}

.tags-container-modal, .tags-container-history {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.add-apex-tag-button, .add-apex-tag-modal-overlay .modal button[type="submit"] {
    background: none;
    border: 1px solid var(--c-primary);
    color: var(--c-primary);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 0.5rem;
    width: 100%;
    text-align: center;
    transition: all 0.2s ease-in-out;
    font-weight: bold;
}

.add-apex-tag-button:hover, .add-apex-tag-modal-overlay .modal button[type="submit"]:hover {
    background-color: var(--c-primary);
    color: var(--c-primary-contrast);
}