@import url("https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap");

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
}

/* :root {
    --brand-color: #8b90ff;
    --base-color: #f2f4f8;
    --surface-color: #fff;
    --text-color: #191b23;
    --secondary-text-color: #3c404f;
    --base-transparent-90: rgba(247, 247, 247, 0.9);
    --base-transparent-100: rgba(247, 247, 247, 1);
} */

/* .dark-theme {
    --brand-color: #8b90ff;
    --base-color: #1e1f26;
    --surface-color: #2c2f38;
    --text-color: #f0f0f0;
    --secondary-text-color: #b0b3c0;
    --base-transparent-90: rgba(30, 31, 38, 0.9);
    --base-transparent-100: rgba(30, 31, 38, 1);
} */

body {
    --base-color: #1e1f26;

    --surface-color: oklch(from var(--base-color) calc(l * 1.2) c h);
    --brand-color: oklch(from var(--base-color) calc(l * 1.3) calc(c * 5) h);
    --text-color: #f0f0f0;
    --secondary-text-color: oklch(from var(--text-color) l c h / 0.6);

    font-family: Poppins, sans-serif;
    margin: 2rem;
    background: var(--base-color);
    color: var(--text-color);
}

h1 {
    margin-bottom: 1rem;
}

button,
input,
textarea {
    font: inherit;
}

header {
    display: flex;
    flex-direction: column;
    margin-bottom: 2rem;
}

@media (min-width: 650px) {
    header {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 2rem;
    }
}

header div {
    display: flex;
    gap: 1rem;
}

label[for="base-color-input"] {
    background-color: var(--surface-color);
    padding: 0.7em 1em;
    border-radius: 0.5em;
    display: flex;
    align-items: center;
    gap: 1em;
}

#base-color-input {
    width: 2em;
    height: 2em;
    background: none;
    border: none;
}

.add-note-btn {
    background: var(--brand-color);
    color: var(--text-color);
    border: none;
    padding: 0.75rem 0.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

@media (min-width: 650px) {
    .add-note-btn {
        padding: 0.75rem 1.5rem;
    }
}

.add-note-btn:hover {
    background: #7a7fff;
}

.theme-toggle-btn {
    background: var(--surface-color);
    color: var(--text-color);
    border: 1px solid var(--surface-color);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
    margin-left: 1rem;
}

.theme-toggle-btn:hover {
    background: var(--brand-color);
    color: white;
}

.notes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.note-card {
    background: var(--surface-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    border: 1px solid var(--surface-color);
    transition: all 0.2s ease;
    position: relative;
}

.note-card:hover {
    transform: scale(1.02);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.note-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-color);
    word-wrap: break-word;
}

.note-content {
    color: var(--secondary-text-color);
    line-height: 1.6;
    margin-bottom: 1rem;
    word-wrap: break-word;
    white-space: pre-wrap;
}

.todo-done-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
}

.todo-done-item s {
    margin: 0;
}

.note-dates {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--secondary-text-color);
    line-height: 1.8;
}

.note-time {
    font-weight: 400;
    font-size: 0.7rem;
}

.note-actions {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.note-card:hover .note-actions {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    .note-actions {
        opacity: 1 !important;
        visibility: visible !important;
    }
}

.edit-btn,
.delete-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
    background: var(--base-transparent-90);
    color: var(--text-color);
    border: 1px solid var(--surface-color);
}

.edit-btn:hover {
    background: var(--base-transparent-100);
    transform: scale(1.05);
}

.delete-btn:hover {
    background: #ff5252;
    transform: scale(1.05);
    color: white;
}

dialog {
    margin: auto;
    inset: 0;
    border: none;
    border-radius: 1rem;
    padding: 0;
    background: var(--surface-color);
    color: var(--text-color);
    max-width: 500px;
    width: 90vw;
}

dialog::backdrop {
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(4px);
}

.dialog-content {
    padding: 2rem;
}

.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

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

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary-text-color);
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: background 0.2s ease;
}

.close-btn:hover {
    background: var(--surface-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--surface-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s ease;
    background: var(--base-color);
    color: var(--text-color);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--brand-color);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.dialog-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.cancel-btn,
.save-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.cancel-btn {
    background: var(--base-color);
    color: var(--text-color);
}

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

.save-btn:hover {
    background: #7a7fff;
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--secondary-text-color);
}

.empty-state h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.empty-state p {
    font-size: 1rem;
    margin-bottom: 2rem;
}