/* PlantCare — Design System */

html, body {
    overflow-x: hidden;
    overscroll-behavior-x: none;
    touch-action: pan-y;
}

:root {
    --pc-green-50:  #f0fdf4;
    --pc-green-100: #dcfce7;
    --pc-green-500: #22c55e;
    --pc-green-600: #16a34a;
    --pc-green-700: #15803d;

    --pc-gray-50:  #f8fafc;
    --pc-gray-100: #f1f5f9;
    --pc-gray-200: #e2e8f0;
    --pc-gray-400: #94a3b8;
    --pc-gray-500: #64748b;
    --pc-gray-700: #334155;
    --pc-gray-900: #0f172a;

    --pc-red:    #ef4444;
    --pc-blue:   #3b82f6;
    --pc-yellow: #f59e0b;

    --pc-radius:    12px;
    --pc-radius-sm: 8px;
    --pc-radius-lg: 18px;
    --pc-shadow:    0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.04);
    --pc-shadow-md: 0 4px 20px rgba(0,0,0,.09);
    --pc-ease:      cubic-bezier(.4, 0, .2, 1);
    --pc-nav-h:     62px;
}

/* Base */

html, body {
    font-family: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: var(--pc-gray-100);
    color: var(--pc-gray-900);
    -webkit-font-smoothing: antialiased;
}

h1:focus { outline: none; }

a         { color: var(--pc-green-600); }
a:hover   { color: var(--pc-green-700); }

code { color: #c02d76; }

.valid.modified:not([type=checkbox]) { outline: 1px solid var(--pc-green-500); }
.invalid           { outline: 1px solid var(--pc-red); }
.validation-message{ color: var(--pc-red); }

/* Bootstrap overrides */

.btn {
    font-weight: 500;
    border-radius: var(--pc-radius-sm);
    transition: background-color .18s var(--pc-ease),
                border-color     .18s var(--pc-ease),
                box-shadow       .18s var(--pc-ease),
                transform        .15s var(--pc-ease);
}
.btn:active { transform: translateY(0) !important; }

.btn-primary {
    background-color: var(--pc-green-600);
    border-color: var(--pc-green-600);
    color: #fff;
}
.btn-primary:hover:not(:disabled) {
    background-color: var(--pc-green-700);
    border-color: var(--pc-green-700);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(22, 163, 74, .35);
}
.btn-primary:disabled { opacity: .55; }

.btn-outline-secondary:hover:not(:disabled) { transform: translateY(-1px); }

.btn-lg { padding: .65rem 1.75rem; font-size: 1rem; border-radius: var(--pc-radius-sm); }
.btn-sm { border-radius: 6px; }

.form-control {
    border-color: var(--pc-gray-200);
    border-radius: var(--pc-radius-sm);
    transition: border-color .18s var(--pc-ease), box-shadow .18s var(--pc-ease);
}
.form-control:focus {
    border-color: var(--pc-green-500);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, .15);
}

.btn:focus,
.btn:active:focus,
.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(34, 197, 94, .2);
}

/* Blazor framework */

#blazor-error-ui {
    color-scheme: light only;
    background: #fef9c3;
    border-top: 1px solid #fde047;
    bottom: 0;
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: .65rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 9999;
    font-size: .875rem;
}
#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: .75rem;
    top: 50%;
    transform: translateY(-50%);
}

.blazor-error-boundary {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-radius: var(--pc-radius-sm);
    padding: 1rem 1rem 1rem 3rem;
    color: #991b1b;
}
.blazor-error-boundary::after { content: "An error has occurred."; }

.loading-progress {
    position: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto;
}
.loading-progress circle {
    fill: none;
    stroke: var(--pc-gray-200);
    stroke-width: .6rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}
.loading-progress circle:last-child {
    stroke: var(--pc-green-500);
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * .8), 500%;
    transition: stroke-dasharray .05s ease-in-out;
}
.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: 600;
    color: var(--pc-gray-500);
    inset: calc(20vh + 3.25rem) 0 auto .2rem;
}
.loading-progress-text::after { content: var(--blazor-load-percentage-text, "Loading"); }

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
    color: var(--pc-gray-400);
    text-align: end;
}
.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* Animations */

@keyframes pc-fade-up {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0);    }
}
@keyframes pc-slide-down {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0);    }
}
@keyframes pc-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.pc-animated {
    animation: pc-fade-up .35s var(--pc-ease) both;
}

.pc-fade-in {
    animation: pc-fade-in .2s var(--pc-ease) both;
}

/* Navbar */

.pc-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--pc-nav-h);
    background: #fff;
    border-bottom: 1px solid var(--pc-gray-200);
    box-shadow: 0 1px 4px rgba(0,0,0,.04);
}

.pc-nav__inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.pc-nav__brand {
    display: flex;
    align-items: center;
    gap: .5rem;
    text-decoration: none;
    flex-shrink: 0;
}
.pc-nav__brand:hover { text-decoration: none; }

.pc-nav__brand-icon { font-size: 1.45rem; line-height: 1; }

.pc-nav__brand-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--pc-gray-900);
    letter-spacing: -.015em;
}

.pc-nav__links {
    display: flex;
    align-items: center;
    gap: .25rem;
    flex: 1;
}

.pc-nav__link {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .4rem .85rem;
    border-radius: var(--pc-radius-sm);
    font-size: .875rem;
    font-weight: 500;
    color: var(--pc-gray-500);
    text-decoration: none;
    transition: color .15s var(--pc-ease), background-color .15s var(--pc-ease);
}
.pc-nav__link:hover {
    color: var(--pc-gray-900);
    background: var(--pc-gray-100);
    text-decoration: none;
}
.pc-nav__link.active {
    color: var(--pc-green-600);
    background: var(--pc-green-50);
}
.pc-nav__link svg { flex-shrink: 0; }

/* Hamburger */

.pc-nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 7px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--pc-radius-sm);
    margin-left: auto;
    transition: background-color .15s var(--pc-ease);
}
.pc-nav__toggle:hover { background: var(--pc-gray-100); }

.pc-nav__bar {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--pc-gray-700);
    border-radius: 2px;
    transform-origin: center;
    transition: transform .22s var(--pc-ease), opacity .22s var(--pc-ease);
}
.pc-nav__toggle--open .pc-nav__bar:nth-child(1) { transform: translateY(7px) rotate(45deg);  }
.pc-nav__toggle--open .pc-nav__bar:nth-child(2) { opacity: 0; transform: scaleX(0);          }
.pc-nav__toggle--open .pc-nav__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile */

@media (max-width: 767px) {
    .pc-nav {
        height: auto;
        min-height: var(--pc-nav-h);
    }
    .pc-nav__inner {
        flex-wrap: wrap;
        padding: .85rem 1.25rem;
        gap: 0;
    }
    .pc-nav__brand  { flex: 1; }
    .pc-nav__toggle { display: flex; }

    .pc-nav__links {
        display: none;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        padding: .5rem 0 .6rem;
        gap: .1rem;
    }
    .pc-nav__links--open {
        display: flex;
        animation: pc-slide-down .2s var(--pc-ease);
    }
    .pc-nav__link {
        padding: .6rem .75rem;
        border-radius: var(--pc-radius-sm);
    }
}

/* Layout */

.pc-main {
    min-height: calc(100vh - var(--pc-nav-h));
    padding: 2rem 0 3rem;
}

.pc-page {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    animation: pc-fade-up .35s var(--pc-ease) both;
}

/* Home page */

.pc-home {
    text-align: center;
    padding: 5rem 1rem 4rem;
}
.pc-home__img {
    display: block;
    margin: 0 auto 1.25rem;
    animation: pc-fade-up .3s var(--pc-ease) both;
}
.pc-home__title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--pc-gray-900);
    letter-spacing: -.02em;
    margin-top: .75rem;
    margin-bottom: .75rem;
    animation: pc-fade-up .35s var(--pc-ease) .05s both;
}
.pc-home__sub {
    font-size: 1.05rem;
    color: var(--pc-gray-500);
    max-width: 480px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
    animation: pc-fade-up .35s var(--pc-ease) .1s both;
}
.pc-home__actions {
    display: flex;
    gap: .75rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: pc-fade-up .35s var(--pc-ease) .15s both;
}

/* Stat cards */

.pc-stat {
    background: #fff;
    border-radius: var(--pc-radius);
    padding: 1.25rem 1.5rem;
    border-left: 4px solid transparent;
    box-shadow: var(--pc-shadow);
    height: 100%;
    transition: box-shadow .2s var(--pc-ease), transform .2s var(--pc-ease);
    animation: pc-fade-up .4s var(--pc-ease) both;
}
.pc-stat:hover {
    box-shadow: var(--pc-shadow-md);
    transform: translateY(-2px);
}

.pc-stat--red    { border-color: var(--pc-red);    }
.pc-stat--blue   { border-color: var(--pc-blue);   }
.pc-stat--yellow { border-color: var(--pc-yellow); }
.pc-stat--green  { border-color: var(--pc-green-500); }

.pc-stat__label {
    font-size: .7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--pc-gray-500);
    margin-bottom: .35rem;
}
.pc-stat__value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--pc-gray-900);
    line-height: 1;
}
.pc-stat__unit {
    font-size: .9rem;
    font-weight: 400;
    color: var(--pc-gray-400);
}
.pc-stat__time {
    font-size: .7rem;
    color: var(--pc-gray-400);
    margin-top: .35rem;
}

/* Cards */

.pc-card {
    background: #fff;
    border-radius: var(--pc-radius);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--pc-shadow);
    height: 100%;
    transition: box-shadow .2s var(--pc-ease);
}
.pc-card:hover { box-shadow: var(--pc-shadow-md); }

.pc-card__title {
    font-size: .7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--pc-gray-500);
    margin-bottom: 1rem;
}

.pc-card__chart {
    position: relative;
    height: 240px;
}

.pc-card__chart canvas {
    visibility: hidden;
}

/* Dashboard header */

.pc-dashboard { width: 100%; }

.pc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}
.pc-header__brand { display: flex; align-items: center; gap: .75rem; }
.pc-header__icon  { font-size: 2.25rem; line-height: 1; }
.pc-header__h1    { margin: 0; font-size: 1.65rem; font-weight: 700; color: var(--pc-gray-900); }
.pc-header__sub   { margin: 0; font-size: .78rem; color: var(--pc-gray-500); text-transform: uppercase; letter-spacing: .05em; }
.pc-header__actions { display: flex; align-items: center; gap: .5rem; margin-left: auto; }

/* Network scan list */
.pc-network-list { display: flex; flex-direction: column; gap: .35rem; margin-top: .4rem; }
.pc-network-list__label { font-size: .8rem; color: var(--pc-gray-500); margin-bottom: .2rem; }
.pc-network-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .45rem .75rem;
    border-radius: var(--pc-radius-sm);
    border: 1.5px solid var(--pc-gray-200);
    background: #fff;
    cursor: pointer;
    text-align: left;
    transition: border-color .15s, background .15s;
    font-size: .875rem;
    width: 100%;
}
.pc-network-item:hover { border-color: var(--pc-blue); background: #eff6ff; }
.pc-network-item--selected { border-color: var(--pc-blue); background: #eff6ff; font-weight: 600; }
.pc-network-item__ssid { display: flex; align-items: center; gap: .4rem; }
.pc-network-item__rssi { font-size: .78rem; color: var(--pc-gray-500); white-space: nowrap; }
.pc-network-item__rssi.wifi-signal--strong { color: #22c55e; }
.pc-network-item__rssi.wifi-signal--medium { color: #f59e0b; }
.pc-network-item__rssi.wifi-signal--weak   { color: #ef4444; }

/* Badge */

.pc-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    color: #fff;
    font-size: .75rem;
    font-weight: 600;
}

/* Empty / loading states */

.pc-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5rem 0;
    color: var(--pc-gray-500);
}