:root {
    --primary-color: #5e72e4;
    --secondary-color: #8392ab;
    --success-color: #2dce89;
    --danger-color: #f5365c;
    --warning-color: #fb6340;
    --info-color: #11cdef;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --bg-color: #f7fafc;
    --board-bg: #e9ecef;
    --column-bg: #ffffff;
    --task-bg: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {    
    color: var(--dark-color);
    min-height: 100vh;
    background-color: #f0f0f0;
background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='192' height='192' viewBox='0 0 192 192'%3E%3Cpath fill='%23151515' fill-opacity='0.16' d='M192 15v2a11 11 0 0 0-11 11c0 1.94 1.16 4.75 2.53 6.11l2.36 2.36a6.93 6.93 0 0 1 1.22 7.56l-.43.84a8.08 8.08 0 0 1-6.66 4.13H145v35.02a6.1 6.1 0 0 0 3.03 4.87l.84.43c1.58.79 4 .4 5.24-.85l2.36-2.36a12.04 12.04 0 0 1 7.51-3.11 13 13 0 1 1 .02 26 12 12 0 0 1-7.53-3.11l-2.36-2.36a4.93 4.93 0 0 0-5.24-.85l-.84.43a6.1 6.1 0 0 0-3.03 4.87V143h35.02a8.08 8.08 0 0 1 6.66 4.13l.43.84a6.91 6.91 0 0 1-1.22 7.56l-2.36 2.36A10.06 10.06 0 0 0 181 164a11 11 0 0 0 11 11v2a13 13 0 0 1-13-13 12 12 0 0 1 3.11-7.53l2.36-2.36a4.93 4.93 0 0 0 .85-5.24l-.43-.84a6.1 6.1 0 0 0-4.87-3.03H145v35.02a8.08 8.08 0 0 1-4.13 6.66l-.84.43a6.91 6.91 0 0 1-7.56-1.22l-2.36-2.36A10.06 10.06 0 0 0 124 181a11 11 0 0 0-11 11h-2a13 13 0 0 1 13-13c2.47 0 5.79 1.37 7.53 3.11l2.36 2.36a4.94 4.94 0 0 0 5.24.85l.84-.43a6.1 6.1 0 0 0 3.03-4.87V145h-35.02a8.08 8.08 0 0 1-6.66-4.13l-.43-.84a6.91 6.91 0 0 1 1.22-7.56l2.36-2.36A10.06 10.06 0 0 0 107 124a11 11 0 0 0-22 0c0 1.94 1.16 4.75 2.53 6.11l2.36 2.36a6.93 6.93 0 0 1 1.22 7.56l-.43.84a8.08 8.08 0 0 1-6.66 4.13H49v35.02a6.1 6.1 0 0 0 3.03 4.87l.84.43c1.58.79 4 .4 5.24-.85l2.36-2.36a12.04 12.04 0 0 1 7.51-3.11A13 13 0 0 1 81 192h-2a11 11 0 0 0-11-11c-1.94 0-4.75 1.16-6.11 2.53l-2.36 2.36a6.93 6.93 0 0 1-7.56 1.22l-.84-.43a8.08 8.08 0 0 1-4.13-6.66V145H11.98a6.1 6.1 0 0 0-4.87 3.03l-.43.84c-.79 1.58-.4 4 .85 5.24l2.36 2.36a12.04 12.04 0 0 1 3.11 7.51A13 13 0 0 1 0 177v-2a11 11 0 0 0 11-11c0-1.94-1.16-4.75-2.53-6.11l-2.36-2.36a6.93 6.93 0 0 1-1.22-7.56l.43-.84a8.08 8.08 0 0 1 6.66-4.13H47v-35.02a6.1 6.1 0 0 0-3.03-4.87l-.84-.43c-1.59-.8-4-.4-5.24.85l-2.36 2.36A12 12 0 0 1 28 109a13 13 0 1 1 0-26c2.47 0 5.79 1.37 7.53 3.11l2.36 2.36a4.94 4.94 0 0 0 5.24.85l.84-.43A6.1 6.1 0 0 0 47 84.02V49H11.98a8.08 8.08 0 0 1-6.66-4.13l-.43-.84a6.91 6.91 0 0 1 1.22-7.56l2.36-2.36A10.06 10.06 0 0 0 11 28 11 11 0 0 0 0 17v-2a13 13 0 0 1 13 13c0 2.47-1.37 5.79-3.11 7.53l-2.36 2.36a4.94 4.94 0 0 0-.85 5.24l.43.84A6.1 6.1 0 0 0 11.98 47H47V11.98a8.08 8.08 0 0 1 4.13-6.66l.84-.43a6.91 6.91 0 0 1 7.56 1.22l2.36 2.36A10.06 10.06 0 0 0 68 11 11 11 0 0 0 79 0h2a13 13 0 0 1-13 13 12 12 0 0 1-7.53-3.11l-2.36-2.36a4.93 4.93 0 0 0-5.24-.85l-.84.43A6.1 6.1 0 0 0 49 11.98V47h35.02a8.08 8.08 0 0 1 6.66 4.13l.43.84a6.91 6.91 0 0 1-1.22 7.56l-2.36 2.36A10.06 10.06 0 0 0 85 68a11 11 0 0 0 22 0c0-1.94-1.16-4.75-2.53-6.11l-2.36-2.36a6.93 6.93 0 0 1-1.22-7.56l.43-.84a8.08 8.08 0 0 1 6.66-4.13H143V11.98a6.1 6.1 0 0 0-3.03-4.87l-.84-.43c-1.59-.8-4-.4-5.24.85l-2.36 2.36A12 12 0 0 1 124 13a13 13 0 0 1-13-13h2a11 11 0 0 0 11 11c1.94 0 4.75-1.16 6.11-2.53l2.36-2.36a6.93 6.93 0 0 1 7.56-1.22l.84.43a8.08 8.08 0 0 1 4.13 6.66V47h35.02a6.1 6.1 0 0 0 4.87-3.03l.43-.84c.8-1.59.4-4-.85-5.24l-2.36-2.36A12 12 0 0 1 179 28a13 13 0 0 1 13-13zM84.02 143a6.1 6.1 0 0 0 4.87-3.03l.43-.84c.8-1.59.4-4-.85-5.24l-2.36-2.36A12 12 0 0 1 83 124a13 13 0 1 1 26 0c0 2.47-1.37 5.79-3.11 7.53l-2.36 2.36a4.94 4.94 0 0 0-.85 5.24l.43.84a6.1 6.1 0 0 0 4.87 3.03H143v-35.02a8.08 8.08 0 0 1 4.13-6.66l.84-.43a6.91 6.91 0 0 1 7.56 1.22l2.36 2.36A10.06 10.06 0 0 0 164 107a11 11 0 0 0 0-22c-1.94 0-4.75 1.16-6.11 2.53l-2.36 2.36a6.93 6.93 0 0 1-7.56 1.22l-.84-.43a8.08 8.08 0 0 1-4.13-6.66V49h-35.02a6.1 6.1 0 0 0-4.87 3.03l-.43.84c-.79 1.58-.4 4 .85 5.24l2.36 2.36a12.04 12.04 0 0 1 3.11 7.51A13 13 0 1 1 83 68a12 12 0 0 1 3.11-7.53l2.36-2.36a4.93 4.93 0 0 0 .85-5.24l-.43-.84A6.1 6.1 0 0 0 84.02 49H49v35.02a8.08 8.08 0 0 1-4.13 6.66l-.84.43a6.91 6.91 0 0 1-7.56-1.22l-2.36-2.36A10.06 10.06 0 0 0 28 85a11 11 0 0 0 0 22c1.94 0 4.75-1.16 6.11-2.53l2.36-2.36a6.93 6.93 0 0 1 7.56-1.22l.84.43a8.08 8.08 0 0 1 4.13 6.66V143h35.02z'%3E%3C/path%3E%3C/svg%3E");
}

h2 {
    font-size: 21px;
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    padding: 5px;
    background: #f4f4f4;
    margin: 5px 0;
    display: flex;
    justify-content: space-between;
    background: #ffffff00;
    border-color: #d8dce0;
    border: 1px solid;
    border-radius: 5px;
    min-height: 50px;
    max-width: 508px;
    min-width: 300px;
    align-items: center;
    font-size: 18px;
}

#taskInput {
    color: #212529;
    opacity: 0.4;
    height: 50px;
    width: 300px;
    border-radius: 5px;
    font-size: 18px;
}

.btn {
    color: #d8dce0;
    background-color: #3C3C3C;
    line-height: 10px;
    height: 50px;
    border-radius: 5px;
    text-align: center;
    width: 200px;
    font-size: 21px;
    cursor: pointer;
}

.btn-x {
    border-radius: 50px;
    color: #252525;
    border-color: rgba(255, 255, 255, 0);
    background: rgba(255, 255, 255, 0);
    font-size: 32px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 15px;
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.addmin {
    display: flex;
}

.addmin-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    background: #807f7f;
    height: 100vh;
    max-width: 400px;
    min-width: 320px;
    margin-right: 50px;
    padding-top: 50px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.logo-icon {
    margin-right: 10px;
    font-size: 2rem;
}

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #4a5bd0;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: #26b97b;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #ed2a50;
}

.board {
    padding: 2rem 0;
    overflow-x: auto;
}

.columns-container {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding-bottom: 1rem;
    flex-wrap: wrap;
}

.column {
    background-color: var(--column-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    min-width: 300px;
    max-width: 300px;
}

.column-header {
    padding: 1rem;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.column-title {
    font-weight: 600;
    font-size: 1.2rem;
}

.task-count {
    background-color: var(--light-color);
    color: var(--secondary-color);
    border-radius: 50%;
    width: 25px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.tasks-container {
    padding: 1rem;
    min-height: 100px;
}

.task {
    background-color: var(--task-bg);
    border-radius: 6px;
    padding: 0.8rem;
    margin-bottom: 0.8rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    cursor: grab;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.task:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.task-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.task-description {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.task-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

.task-priority {
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
}

.priority-high {
    background-color: #ffcccc;
    color: var(--danger-color);
}

.priority-medium {
    background-color: #fff4cc;
    color: var(--warning-color);
}

.priority-low {
    background-color: #ccffcc;
    color: var(--success-color);
}

.add-task-btn {
    width: 100%;
    padding: 0.8rem;
    background: transparent;
    border: 2px dashed #dee2e6;
    border-radius: 6px;
    color: var(--secondary-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.add-task-btn:hover {
    background-color: var(--light-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.add-column-btn {
    min-width: 300px;
    max-width: 300px;
    padding: 1rem;
    background: transparent;
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    color: var(--secondary-color);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.add-column-btn:hover {
    background-color: var(--light-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: white;
    border-radius: 8px;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transform: translateY(-50px);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-weight: 600;
    font-size: 1.5rem;
}

.close-btn {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary-color);
}

.modal-body {
    padding: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 1rem;
    background-color: white;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid #e9ecef;
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

.task.dragging {
    opacity: 0.5;
    transform: rotate(5deg);
}

.column.drop-target {
    background-color: #f0f4f8;
    border: 2px dashed var(--primary-color);
}

/* Добавить в конец файла */

/* Контекстное меню */
.context-menu {
    position: fixed;
    background-color: white;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 1001;
    display: none;
    min-width: 150px;
}

.context-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.context-menu li {
    padding: 10px 15px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.context-menu li:hover {
    background-color: #f5f5f5;
}

.context-menu li:first-child {
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
}

.context-menu li:last-child {
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
}

/* Кнопка удаления колонки */
.delete-column-btn {
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 1rem;
    padding: 0 5px;
    transition: color 0.3s;
}

.delete-column-btn:hover {
    color: var(--danger-color);
}

/* Кнопка удаления в модальном окне */
.modal-footer .btn-danger {
    margin-right: auto;
}

/* Иконка меню для колонок */
.column-menu {
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 1rem;
    padding: 0 5px;
    transition: color 0.3s;
}

.column-menu:hover {
    color: var(--dark-color);
}

/* Добавить в конец файла */

/* Кнопки удаления */
.delete-column-btn {
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0 5px;
    transition: color 0.3s;
    margin-left: 10px;
}

.delete-column-btn:hover {
    color: var(--danger-color);
}

.delete-task-btn {
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 1rem;
    padding: 0 5px;
    transition: color 0.3s;
    opacity: 0;
}

.task:hover .delete-task-btn {
    opacity: 1;
}

.delete-task-btn:hover {
    color: var(--danger-color);
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

/* Контекстное меню */
.context-menu {
    position: fixed;
    background-color: white;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 1001;
    display: none;
    min-width: 150px;
}

.context-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.context-menu li {
    padding: 10px 15px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.context-menu li:hover {
    background-color: #f5f5f5;
}

.context-menu li:first-child {
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
}

.context-menu li:last-child {
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
}

/* Кнопка удаления в модальном окне */
.modal-footer .btn-danger {
    margin-right: auto;
}

@media (max-width: 768px) {
    .columns-container {
        flex-direction: column;
        align-items: center;
    }

    .column,
    .add-column-btn {
        min-width: 100%;
        max-width: 100%;
    }
}