*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --green: #2d6a4f;
    --green-light: #52b788;
    --green-pale: #d8f3dc;
    --red: #d62828;
    --red-pale: #ffe0e0;
    --yellow: #e9c46a;
    --yellow-pale: #fff8e1;
    --gray: #6c757d;
    --gray-light: #f8f9fa;
    --border: #dee2e6;
    --text: #212529;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0, 0, 0, .08);
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    color: var(--text);
    background: var(--gray-light);
    line-height: 1.5;
}

a {
    color: var(--green);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Nav */
.nav {
    background: var(--green);
    color: white;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 10;
    flex-wrap: wrap;
}

.nav__brand {
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
}

.nav__brand:hover {
    text-decoration: none
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex: 1;
    margin-left: 1.25rem;
}

.nav__links a {
    color: rgba(255, 255, 255, .85);
    font-size: .9rem;
}

.nav__links a:hover {
    color: white;
    text-decoration: none;
}

.nav__links form {
    margin-left: auto;
}

.nav__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: .5rem;
    margin-left: auto;
    height: 56px;
}

.nav__hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: white;
    border-radius: 2px;
}

@media (max-width: 640px) {
    .nav {
        padding: 0 1rem;
        min-height: 56px;
        height: auto;
    }

    .nav__hamburger {
        display: flex;
    }

    .nav__links {
        display: none;
        order: 3;
        flex-basis: 100%;
        flex-direction: column;
        align-items: flex-start;
        margin-left: 0;
        padding: .75rem 0 1rem;
        border-top: 1px solid rgba(255, 255, 255, .2);
        gap: .75rem;
    }

    .nav--open .nav__links {
        display: flex;
    }

    .nav__links form {
        margin-left: 0;
    }

    .nav__links .btn {
        color: rgba(255, 255, 255, .9);
        border-color: rgba(255, 255, 255, .3);
        background: transparent;
    }

    .nav__links .btn:hover {
        background: rgba(255, 255, 255, .1);
        color: white;
    }

    .nav__links--always {
        display: flex !important;
        flex-basis: auto;
        flex-direction: row;
        margin-left: auto;
        padding: 0;
        border-top: none;
    }
}

/* Container */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Alerts */
.alert {
    padding: .75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: .9rem;
}

.alert--error {
    background: var(--red-pale);
    color: var(--red);
    border: 1px solid #f5c2c7;
}

.alert--success {
    background: var(--green-pale);
    color: var(--green);
    border: 1px solid #b7dfc7;
}

/* Page header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: .5rem;
}

.page-header h1 {
    font-size: 1.6rem;
}

/* Stats */
.stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.stat-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 120px;
    box-shadow: var(--shadow);
}

.stat-card__number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--green);
}

.stat-card__label {
    font-size: .8rem;
    color: var(--gray);
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

.card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.card--overdue {
    border-left: 4px solid var(--red);
}

.card--disabled {
    opacity: .6;
}

.card__header {
    padding: .85rem 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-wrap: wrap;
}

.card__body {
    padding: .75rem 1rem;
    flex: 1;
}

.card__footer {
    padding: .75rem 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-wrap: wrap;
}

/* Tags & badges */
.tag {
    font-size: .75rem;
    background: var(--green-pale);
    color: var(--green);
    padding: .15rem .5rem;
    border-radius: 99px;
}

.tag--telegram {
    background: #e3f2fd;
    color: #1565c0;
}

.tag--browser {
    background: var(--yellow-pale);
    color: #7c5b00;
}

.badge {
    font-size: .75rem;
    padding: .15rem .5rem;
    border-radius: 99px;
    display: inline-block;
}

.badge--danger {
    background: var(--red-pale);
    color: var(--red);
}

.badge--info {
    background: #e3f2fd;
    color: #1565c0;
}

.badge--warn {
    background: var(--yellow-pale);
    color: #7c5b00;
}

.badge--success {
    background: var(--green-pale);
    color: var(--green);
}

.badge--muted {
    background: #e9ecef;
    color: var(--gray);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .45rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: white;
    color: var(--text);
    font-size: .9rem;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s;
}

.btn:hover {
    background: var(--gray-light);
    text-decoration: none;
}

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

.btn--primary:hover {
    background: #245c43;
}

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

.btn--danger:hover {
    background: #b02121;
}

.btn--ghost {
    background: transparent;
    border-color: transparent;
}

.btn--ghost:hover {
    background: var(--gray-light);
}

.btn--sm {
    padding: .3rem .7rem;
    font-size: .8rem;
}

.btn--full {
    width: 100%;
    justify-content: center;
}

/* Forms */
.form-box, .auth-box {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    max-width: 480px;
    box-shadow: var(--shadow);
}

.auth-box {
    margin: 3rem auto;
}

.auth-box__footer {
    margin-top: 1rem;
    text-align: center;
    font-size: .9rem;
    color: var(--gray);
}

.form__group {
    margin-bottom: 1rem;
}

.form__group label {
    display: block;
    font-size: .85rem;
    font-weight: 500;
    margin-bottom: .3rem;
}

.form__group input,
.form__group textarea,
.form__group select {
    width: 100%;
    padding: .5rem .75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: .95rem;
    font-family: inherit;
    transition: border-color .15s;
}

.form__group input:focus,
.form__group textarea:focus {
    outline: none;
    border-color: var(--green-light);
}

.form__actions {
    display: flex;
    gap: .5rem;
    margin-top: 1.25rem;
}

.input-row {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.required {
    color: var(--red);
}

/* Table */
.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th, .table td {
    padding: .75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: .9rem;
}

.table th {
    background: var(--gray-light);
    font-weight: 600;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .03em;
}

.table tr:last-child td {
    border-bottom: none;
}

.table__notes {
    overflow: hidden;
    text-wrap: nowrap;
    white-space: nowrap;
    text-overflow: ellipsis;
    max-width: 200px;
}

.row--overdue td {
    background: var(--red-pale);
}

.actions {
    display: flex;
    gap: .4rem;
    flex-wrap: wrap;
}

/* Sections */
.section {
    margin-top: 2.5rem;
}

.section h2 {
    margin-bottom: 1rem;
}

.section h3 {
    margin: 1.25rem 0 .75rem;
    font-size: 1rem;
}

.section--danger {
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
}

.section--danger h2 {
    color: var(--red);
}

/* Tabs */
.tabs {
    display: flex;
    gap: .25rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border);
}

.tab {
    padding: .6rem 1.2rem;
    border: none;
    background: none;
    cursor: pointer;
    font-size: .9rem;
    color: var(--gray);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.tab--active {
    color: var(--green);
    border-bottom-color: var(--green);
    font-weight: 600;
}

/* Instructions */
.instructions {
    padding-left: 1.25rem;
    margin-bottom: 1.25rem;
    font-size: .9rem;
}

.instructions li {
    margin-bottom: .4rem;
}

/* Empty state */
.empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray);
}

.empty p {
    margin-bottom: 1rem;
}

/* Plants responsive layout */
.plants-card-grid {
    display: none;
}

.plants-table-wrap {
    display: block;
}

@media (max-width: 640px) {
    .plants-table-wrap {
        display: none;
    }

    .plants-card-grid {
        display: grid;
    }
}

/* Connectors responsive layout */
.connectors-card-list {
    display: none;
}

.connectors-table-wrap {
    display: block;
}

@media (max-width: 640px) {
    .connectors-table-wrap {
        display: none;
    }

    .connectors-card-list {
        display: flex;
        flex-direction: column;
        gap: .75rem;
    }
}

/* Misc */
.muted {
    color: var(--gray);
    font-size: .9rem;
}

h2 {
    font-size: 1.25rem;
    margin-bottom: .75rem;
}

code {
    background: #f1f3f5;
    padding: .1rem .35rem;
    border-radius: 4px;
    font-size: .85em;
}

/* Popover */
.popover-wrap {
    display: inline-block;
}

.popover {
    display: none;
    position: fixed;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
    min-width: 140px;
    z-index: 1000;
    overflow: hidden;
}

.popover--open {
    display: block;
}

.popover form {
    margin: 0;
}

.popover__item {
    display: block;
    width: 100%;
    padding: .55rem 1rem;
    text-align: left;
    background: none;
    border: none;
    font-size: .9rem;
    color: var(--text);
    cursor: pointer;
    text-decoration: none;
}

.popover__item:hover {
    background: var(--gray-light);
    text-decoration: none;
}

.popover__item--danger {
    color: var(--red);
}

.popover__item--danger:hover {
    background: var(--red-pale);
}

/* Toast */
.toast {
    position: fixed;
    top: 5rem;
    right: 50%;
    transform: translateY(-50%);
    padding: .75rem 1.25rem;
    border-radius: 8px;
    font-size: .9rem;
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
    opacity: 0;
    transition: opacity .2s, transform .2s;
    z-index: 999;
    max-width: 320px;
    pointer-events: none;
}

.toast--visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.toast--ok {
    background: #2d6a4f;
}

.toast--err {
    background: #d62828;
}

/* Error pages */
.error-page {
    text-align: center;
    padding: 4rem 1rem;
}

.error-page__code {
    font-size: 6rem;
    font-weight: 700;
    color: var(--green);
    line-height: 1;
}

.error-page__title {
    font-size: 1.75rem;
    margin: 0.5rem 0 1rem;
}

.error-page__message {
    color: #555;
    margin-bottom: 2rem;
}

.error-page__detail {
    text-align: left;
    background: #f4f4f4;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 1rem;
    margin: 1rem 0 2rem;
    overflow-x: auto;
    font-size: 0.8rem;
    white-space: pre-wrap;
}