@import url('https://fonts.googleapis.com/css2?family=Ubuntu:ital,wght@0,300;0,400;0,500;0,700;1,300;1,400;1,500;1,700&display=swap');

:root {
    --primary: #0f766e;
    --secondary: #059669;
    --accent: #dc2626;
    --background: #fefefe;
    --card-bg: #ffffff;
    --text-primary: #374151;
    --text-secondary: #6b7280;
    --border: #d1d5db;
}

body {
    font-family: 'Ubuntu', serif;
    background-color: var(--background);
}

/* ==== header styling ====*/
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    border-bottom: 1px solid var(--border);
    background-color: var(--card-bg);
}

#logout-button {
    background-color: var(--accent);
    color: #fff;
    border: none;
    padding: 8px 14px;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

#logout-button:hover {
    background-color: #b91c1c; /* darker red on hover */
}

/* ==== add category styling ==== */
.add-category-container {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    margin: 20px 0;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
    max-width: 400px;
}

.add-category-container label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.add-category-container input {
    width: calc(100% - 90px);
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 14px;
    margin-right: 8px;
}

.add-category-container button {
    background-color: var(--primary);
    color: #fff;
    border: none;
    padding: 8px 14px;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.add-category-container button:hover {
    background-color: var(--secondary);
}

/* ==== add task styling ==== */
.add-task-container {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin: 20px auto;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);

    width: 90%;
    max-width: 1200px;
}

.add-task-container label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin: 12px;
}

.add-task-container input,
.add-task-container textarea,
.add-task-container select {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 14px;
    margin-bottom: 12px;
    font-family: 'Ubuntu', sans-serif;
    box-sizing: border-box;
}

.add-task-container textarea {
    min-height: 80px;
    resize: vertical;
}

.add-task-container button {
    background-color: var(--primary);
    color: #fff;
    border: none;
    padding: 10px 16px;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.add-task-container button:hover {
    background-color: var(--secondary);
}

/* ==== task display styling ==== */
.task {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px 20px;
    margin: 16px 0;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.task:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
}

/* Header */
.task-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.task-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.task-category.badge {
    background-color: var(--secondary);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 12px;
}

/* Description */
.task-description {
    color: var(--text-secondary);
    margin: 8px 0 12px;
    line-height: 1.4;
}

/* Due date */
.task-due-date {
    display: block;
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 12px;
}

/* Status */
.task-status {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
}

.task-status input[type="checkbox"] {
    accent-color: var(--primary);
}

/* Footer actions */
.task-actions {
    display: flex;
    gap: 10px;
}

.task-actions button {
    padding: 8px 14px;
    border: none;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.edit-task-button {
    background-color: var(--primary);
    color: #fff;
}

.edit-task-button:hover {
    background-color: var(--secondary);
}

.delete-task-button {
    background-color: var(--accent);
    color: #fff;
}

.delete-task-button:hover {
    background-color: #b91c1c;
}

.edit-task-name,
.edit-task-description,
.edit-task-due-date,
.edit-task-category {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 14px;
    font-family: 'Ubuntu', sans-serif;
    margin-bottom: 12px;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.edit-task-name:focus,
.edit-task-description:focus,
.edit-task-due-date:focus,
.edit-task-category:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.2);
    outline: none;
}

.edit-task-name {
    font-weight: 500;
}

.edit-task-description {
    min-height: 80px;
    resize: vertical;
    line-height: 1.4;
}

.edit-task-due-date {
    max-width: 250px;
}

.edit-task-category {
    background-color: #fff;
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
}

.edit-task-category.badge {
    border-radius: 12px;
    padding: 6px 12px;
    font-size: 0.9rem;
}

#task-display {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
    background-color: var(--card-bg);
}

/* ==== login page styling ==== */
.login-page {
    font-family: 'Ubuntu', sans-serif;
    background-color: var(--background);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    gap: 40px;
    padding: 40px;
}

h1 {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.content-container {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 30px 40px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

.content-container label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin: 12px 0 6px;
}

.content-container input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 16px;
    box-sizing: border-box;
}

.content-container input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.2);
    outline: none;
}

#login {
    width: 100%;
    background-color: var(--primary);
    color: #fff;
    border: none;
    padding: 12px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

#login:hover {
    background-color: var(--secondary);
}

.content-container,
.information-container {
    padding: 20px;
    flex: 1;
    max-width: 500px;
}