/* ==========================================================
   IoT Control Center - ГЛОБАЛЕН СТИЛ
   Всичко за външния вид е тук. Промени ли се нещо в този файл,
   промяната се вижда на всички страници.
   Сложи го в: app/static/style.css
   ========================================================== */

/* ---------- 1. ЦВЕТОВЕ (променяй основно тук) ---------- */
html[data-auto-theme="light"] {
    color-scheme: light;
    --page-bg: #f3f6fa;
    --surface: #ffffff;
    --text: #202938;
    --muted: #667085;
    --border: #d8dee8;
    --input-bg: #ffffff;
    --link: #175cd3;
    --value: #16865f;      /* големите числа/състояния */
    --on: #16865f;
    --off: #d92d20;
    --error: #b42318;
    --shadow: 0 2px 8px rgba(0, 0, 0, .08);
    --nav-active-bg: #e8f0fe;
    --nav-active-border: #8aaef0;
    --logout-bg: #fff1f0;
    --logout-border: #f0b4ae;
    --hum: #175cd3;           /* цвят на влажността */
}

html[data-auto-theme="dark"] {
    color-scheme: dark;
    --page-bg: #111827;
    --surface: #1f2937;
    --text: #e5e7eb;
    --muted: #aab4c3;
    --border: #3b4758;
    --input-bg: #182231;
    --link: #8ab4ff;
    --value: #62dfb0;
    --on: #62dfb0;
    --off: #ff9b9b;
    --error: #e05252;
    --shadow: 0 2px 8px rgba(0, 0, 0, .35);
    --nav-active-bg: #243246;
    --nav-active-border: #4c6fa8;
    --logout-bg: #3a2326;
    --logout-border: #7a3d3d;
    --hum: #79baff;
}

/* Цветове на бутоните (еднакви и в двете теми) */
:root {
    --btn-on-bg: #16865f;
    --btn-off-bg: #a83e4b;
    --btn-text: #ffffff;
    --radius: 12px;
    --radius-small: 7px;
    --max-width: 1100px;
}

/* ---------- 2. ОСНОВА ---------- */
* , *::before, *::after { box-sizing: border-box; }

html, body {
    background-color: var(--page-bg);
    color: var(--text);
    transition: background-color .25s, color .25s;
}

body {
    min-height: 100vh;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 28px 18px;
    font-family: Arial, sans-serif;
}

h1 { font-size: 30px; margin: 0 0 8px; }
h2 { margin-top: 30px; }

a { color: var(--link); }
.muted { color: var(--muted); }
#error, #addMessage { color: var(--error); }
#message { min-height: 24px; color: var(--value); }

img { max-width: 100%; height: auto; }

/* ---------- 3. КАРТИ И КОНТЕЙНЕРИ ---------- */
.container { max-width: var(--max-width); margin: 0 auto; }

.top, .device, .card, .panel, .sensor-card, .relay-card {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    margin: 12px 0;
    box-shadow: var(--shadow);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}
.grid > .card, .grid > .relay-card { margin: 0; padding: 22px; }

.value {
    font-size: 38px;
    font-weight: bold;
    color: var(--value);
    margin: 14px 0;
}

/* ---------- 4. РЕЛЕТА ---------- */
.relay-card {
    display: flex;
    flex-direction: column;
    min-height: 230px;
}
.relay-card h2 { margin-top: 0; margin-bottom: 8px; }
.relay-card .relay-state { font-size: 24px; font-weight: bold; margin: 14px 0; }

.state { font-weight: bold; }
.on  { color: var(--on); }
.off { color: var(--off); }

.relay {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 12px;
}
.relay-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: auto;
}
.relay-controls button { min-height: 46px; margin: 0; }

/* ---------- 5. ФОРМИ И БУТОНИ ---------- */
label { color: var(--text); }

input, select, textarea {
    max-width: 100%;
    padding: 9px;
    margin: 5px;
    background-color: var(--input-bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
}

button {
    padding: 9px 14px;
    margin: 4px;
    color: var(--text);
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-small);
    font-weight: bold;
    cursor: pointer;
}
button:disabled { opacity: .5; cursor: wait; }

.btn-on  { background-color: var(--btn-on-bg);  color: var(--btn-text); border: 0; }
.btn-off { background-color: var(--btn-off-bg); color: var(--btn-text); border: 0; }

.device-actions { margin-top: 12px; }

/* ---------- 6. ТАБЛИЦИ ---------- */
table {
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    color: var(--text);
}
th, td {
    padding: 12px;
    text-align: left;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}

#deviceList, #usersList { overflow-x: auto; }

/* ---------- 7. НАВИГАЦИЯ ---------- */
nav, header, .nav, .navbar, .navigation, .menu {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border);
}
nav a, header a, .nav a, .navbar a, .navigation a, .menu a {
    color: var(--text);
    text-decoration: none;
}
nav a:hover, header a:hover, .nav a:hover,
.navbar a:hover, .navigation a:hover, .menu a:hover,
nav a[aria-current="page"], nav a.active, .nav a.active,
.navbar a.active, .navigation a.active, .menu a.active {
    background-color: var(--page-bg);
    color: var(--link);
}
nav a.active, nav a[aria-current="page"] { font-weight: bold; }

/* ---------- 7a. ГЛАВНО МЕНЮ (main-nav) ---------- */
.main-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 0 0 22px 0;
    padding: 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.main-nav .nav-link,
.main-nav .nav-logout {
    display: inline-block;
    margin: 0;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-small);
    background: var(--page-bg);
    color: var(--text);
    font-size: 15px;
    font-weight: normal;
    text-decoration: none;
    cursor: pointer;
}
.main-nav .nav-link:hover,
.main-nav .nav-link.active {
    background: var(--nav-active-bg);
    border-color: var(--nav-active-border);
    color: var(--link);
}
.main-nav .logout-form { margin: 0 0 0 auto; }
.main-nav .nav-logout {
    background: var(--logout-bg);
    border-color: var(--logout-border);
}

/* ---------- 7b. СТРАНИЦИ БЕЗ КОНТЕЙНЕР (/users, вход) ---------- */
body > h1,
body > h2 { text-align: center; }

body > form,
body > #usersList > div {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
}

/* ---------- 7c. СТРАНИЦА /relays ---------- */
.device > .relay {
    padding: 16px;
    margin: 12px 0;
    border-radius: 10px;
}
.device .relay button {
    padding: 12px 18px;
    font-size: 16px;
}
#message { white-space: pre-wrap; }

/* заглавия вътре в карти без излишно място отгоре */
.top h2,
.device h2 { margin-top: 0; }

/* ---------- 7d. КРЪГЛИ КАРТИ НА СЕНЗОРИТЕ ---------- */
.sensor-grid { justify-items: center; gap: 22px; }
.sensor-grid > .card { justify-self: stretch; }

.sensor-circle {
    --d: 230px;                       /* диаметър на кръга */
    width: var(--d);
    height: var(--d);
    margin: 0;
    padding: calc(var(--d) * .13) calc(var(--d) * .08);
    border-radius: 50%;
    background: var(--surface);
    border: 2px solid var(--border);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;   /* име горе, температура в средата, влажност долу */
    text-align: center;
    cursor: pointer;
    overflow: hidden;
    transition: transform .15s, border-color .15s;
}
.sensor-circle:hover,
.sensor-circle:focus-visible {
    transform: scale(1.03);
    border-color: var(--link);
    outline: none;
}

.sc-name {
    max-width: 70%;
    font-size: calc(var(--d) * .075);
    font-weight: bold;
    color: var(--muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sc-temp {
    font-size: calc(var(--d) * .19);
    font-weight: bold;
    line-height: 1;
    color: var(--value);
}
.sc-hum {
    font-size: calc(var(--d) * .1);
    font-weight: bold;
    color: var(--hum);
}
.sc-hum::before { content: "\1F4A7  "; }
.sc-detail[hidden] { display: none; }

/* голям кръг (при клик) */
.sc-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    background: rgba(0, 0, 0, .6);
}
.sc-overlay[hidden] { display: none; }

.sc-close {
    position: absolute;
    top: calc(12px + env(safe-area-inset-top, 0px));
    right: 14px;
    width: 44px;
    height: 44px;
    margin: 0;
    padding: 0;
    border-radius: 50%;
    font-size: 20px;
    line-height: 1;
}

.sensor-circle > * { flex-shrink: 0; }

.sc-overlay .sensor-circle {
    --d: min(92vw, 88vh, 500px);
    justify-content: flex-start;
    gap: calc(var(--d) * .02);
    padding-top: calc(var(--d) * .09);
    padding-bottom: 0;
    animation: sc-pop .18s ease-out;
}
.sc-overlay .sensor-circle:hover { transform: none; border-color: var(--border); }
.sc-overlay .sc-name { font-size: calc(var(--d) * .055); }
.sc-overlay .sc-temp { font-size: calc(var(--d) * .15); }
.sc-overlay .sc-hum  { font-size: calc(var(--d) * .075); }

.sc-overlay .sc-detail {
    width: 62%;
    margin-top: calc(var(--d) * .02);
    font-size: max(10px, calc(var(--d) * .033));
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.sc-avg-title {
    padding-top: 4px;
    margin-bottom: 2px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-weight: bold;
}
.sc-avg, .sc-extra { list-style: none; margin: 0; padding: 0; }
.sc-avg li, .sc-extra li {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 1px 0;
}
.sc-avg-total {
    margin-top: 2px;
    padding-top: 3px;
    border-top: 1px solid var(--border);
    font-weight: bold;
    color: var(--value);
}
@keyframes sc-pop {
    from { transform: scale(.7); opacity: 0; }
    to   { transform: scale(1);  opacity: 1; }
}

/* ---------- 8. МОБИЛНИ УСТРОЙСТВА ---------- */
@media (max-width: 650px) {
    body { padding: 16px 10px; }
    .top, .device, .card { padding: 12px; }
    table { display: block; overflow-x: auto; white-space: nowrap; }
}


/* Динамични показатели във всеки кръг */
.sc-metrics {
    width: 88%;
    display: flex;
    flex-direction: column;
    gap: 5px;
    overflow: hidden;
}
.sc-metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 5px;
    width: 100%;
    font-size: clamp(10px, 2.8vw, 15px);
}
.sc-metric span {
    color: var(--muted);
    overflow: hidden;
    text-overflow: ellipsis;
}
.sc-metric b {
    color: var(--value);
    white-space: nowrap;
}
.sc-detail-heading {
    font-weight: bold;
    border-top: 1px solid var(--border);
    padding-top: 5px !important;
}

/* Relay confirmation switch */
.relay-switch {
    position: relative;
    display: inline-block;
    width: 58px;
    height: 32px;
    flex: 0 0 auto;
}

.relay-switch-input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.relay-switch-track {
    position: absolute;
    inset: 0;
    cursor: pointer;
    background: #dc3545;
    border-radius: 999px;
    transition: background 0.2s;
}

.relay-switch-track::before {
    content: "";
    position: absolute;
    width: 24px;
    height: 24px;
    left: 4px;
    top: 4px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.25);
    transition: transform 0.2s;
}

.relay-switch-input:checked + .relay-switch-track {
    background: #269b59;
}

.relay-switch-input:checked + .relay-switch-track::before {
    transform: translateX(26px);
}

.relay-switch-input:disabled + .relay-switch-track {
    opacity: 0.6;
    cursor: wait;
}

.relay-switch-input:focus-visible + .relay-switch-track {
    outline: 3px solid #7aa7d9;
    outline-offset: 3px;
}

.relay-command-status {
    min-height: 1.2em;
    margin-top: 8px;
    font-size: 0.9rem;
}

/* Компактни карти на релетата */
#relayList.grid {
    gap: 10px;
}

#relayList.grid > .relay-card {
    min-width: 0;
    min-height: 125px;
    padding: 12px;
    margin: 0;
    overflow: hidden;
}

#relayList .relay-card h2 {
    font-size: 1rem;
    line-height: 1.25;
    overflow-wrap: anywhere;
    margin: 0 0 6px;
}

#relayList .relay-card .muted {
    font-size: 0.8rem;
    margin: 4px 0;
    overflow-wrap: anywhere;
}

#relayList .relay-controls {
    display: flex;
    justify-content: flex-start;
    margin-top: auto;
}

#relayList .relay-command-status {
    font-size: 0.75rem;
    overflow-wrap: anywhere;
}

/* Телефон в портретен режим: две релета на ред */
@media (max-width: 650px) and (orientation: portrait) {
    #relayList.grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 9px;
    }

    #relayList.grid > .relay-card {
        padding: 10px;
        min-height: 115px;
    }

    #relayList .relay-switch {
        transform: scale(0.92);
        transform-origin: left center;
    }
}

/* Телефон в хоризонтален режим: четири релета на ред */
@media (orientation: landscape) and (max-width: 950px) {
    #relayList.grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 9px;
    }

    #relayList.grid > .relay-card {
        padding: 9px;
        min-height: 110px;
    }

    #relayList .relay-card h2 {
        font-size: 0.9rem;
    }
}

/* Мобилен изглед на кръглите карти */
@media (max-width: 650px) and (orientation: portrait) {
    .sensor-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .sensor-circle {
        --d: min(42vw, 165px);
        box-sizing: border-box;
        margin: auto;
    }
}

/* Телефон в хоризонтално положение */
@media (orientation: landscape) and (max-width: 950px) {
    .sensor-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 8px;
    }

    .sensor-circle {
        --d: min(21vw, 145px);
        box-sizing: border-box;
        margin: auto;
    }
}


/* Идентичност и онлайн присъствие */
.main-nav .nav-user,
.main-nav .nav-online {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px;
    padding: 7px 10px;
    border-radius: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    line-height: 1.35;
}

.main-nav .nav-user strong {
    color: var(--value);
}

.main-nav .nav-online {
    color: var(--on);
    max-width: 100%;
    overflow-wrap: anywhere;
}

@media (max-width: 650px) {
    .main-nav .nav-user,
    .main-nav .nav-online {
        font-size: 0.78rem;
        padding: 6px 8px;
    }
}


/* Самоличност на влезлия потребител — извън навигацията. */
.session-user-badge {
    box-sizing: border-box;
    width: min(1100px, calc(100% - 20px));
    margin: 8px auto 10px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 5px;
    color: var(--muted, #777);
    font-size: 0.82rem;
}

.session-user-badge strong {
    color: inherit;
    font-weight: 700;
}

/* ROOT карта с онлайн потребителите. */
.online-users-panel {
    margin: 10px 0 18px;
    padding: 14px 16px;
}

.online-users-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px 14px;
    margin-bottom: 12px;
}

.online-users-heading h2 {
    margin: 0;
    font-size: 1rem;
}

#onlineUsersCount {
    color: var(--muted, #777);
    font-size: 0.82rem;
}

.online-users-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.online-user-row {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 11px;
    border: 1px solid rgba(128, 128, 128, 0.25);
    border-radius: 20px;
    font-size: 0.88rem;
}

.online-user-dot {
    display: inline-block;
    flex: 0 0 9px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #269b59;
    box-shadow: 0 0 5px rgba(38, 155, 89, 0.4);
}

.online-user-name {
    overflow-wrap: anywhere;
}

.online-session-count {
    color: var(--muted, #777);
    font-size: 0.75rem;
    white-space: nowrap;
}

@media (max-width: 600px) {
    .session-user-badge {
        width: calc(100% - 20px);
        margin-top: 6px;
        margin-bottom: 8px;
    }

    .online-users-panel {
        padding: 12px;
    }

    .online-users-list {
        gap: 6px;
    }
}


/* Единен външен контейнер за цялото табло. */
.dashboard-shell {
    box-sizing: border-box;
    width: 100%;
    margin: 18px auto 24px;
    padding: clamp(16px, 2.5vw, 30px);
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.dashboard-shell > header {
    margin-bottom: 24px;
}

.dashboard-shell > h2 {
    margin-top: 24px;
    margin-bottom: 14px;
}

.dashboard-shell > .sensor-grid {
    margin-bottom: 22px;
}

.dashboard-shell #relayList {
    margin-bottom: 8px;
}

@media (max-width: 650px) {
    .dashboard-shell {
        margin: 10px auto 16px;
        padding: 12px;
        border-radius: 18px;
    }
}


/* Центриран контейнер за вход и съобщение за грешка. */
.auth-body {
    margin: 0;
    min-height: 100vh;
    background: var(--page-bg);
    color: var(--text);
}

.auth-page {
    min-height: 100vh;
    box-sizing: border-box;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 35px 16px 24px;
}

.auth-card {
    box-sizing: border-box;
    width: min(100%, 420px);
    padding: clamp(24px, 5vw, 36px);
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.auth-card h2 {
    margin: 0 0 24px;
    text-align: center;
    line-height: 1.4;
}

.auth-card form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.auth-card label {
    display: block;
    margin-top: 8px;
    font-weight: 600;
}

.auth-card input {
    box-sizing: border-box;
    width: 100%;
    padding: 12px 14px;
    margin-top: 6px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--page-bg);
    color: var(--text);
    font: inherit;
}

.auth-card input:focus {
    outline: 2px solid var(--link);
    outline-offset: 2px;
}

.auth-button {
    box-sizing: border-box;
    display: block;
    width: 100%;
    margin-top: 18px;
    padding: 13px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--nav-active-bg);
    color: var(--link);
    text-align: center;
    text-decoration: none;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.auth-button:hover {
    filter: brightness(0.96);
}

.auth-error-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: var(--logout-bg);
    color: var(--text);
    font-size: 26px;
    font-weight: 800;
}

.auth-error-text {
    color: var(--muted);
    text-align: center;
    line-height: 1.5;
}

@media (max-width: 480px) {
    .auth-page {
        padding: 16px;
    }

    .auth-card {
        border-radius: 18px;
    }
}


/* AUTH ERROR TOP POSITION */
.auth-error-page {
    align-items: flex-start;
    justify-content: center;
    padding-top: 35px;
}


/* Бутон за изход на обикновените потребители. */
.session-user-logout-form {
    display: inline-flex;
    margin: 0;
}

.session-user-logout-button {
    margin: 0;
    padding: 6px 13px;
    border: 1px solid var(--logout-border);
    border-radius: 9px;
    background: var(--logout-bg);
    color: var(--text);
    font: inherit;
    font-size: 0.82rem;
    cursor: pointer;
}

.session-user-logout-button:hover {
    filter: brightness(0.94);
}