/* =====================================================================
   Aerowave Technologies — shared styles for every app page
   (Login, Customers, Drawings, Create Order, View Orders, Edit Order).

   Sections:
     1. Design tokens (colours, type scale, spacing, radii) — reuse these
        on new pages instead of hard-coding values.
     2. Base / reset
     3. Navbar
     4. Page layout (container, headings, sections)
     5. Forms
     6. Buttons
     7. Tables + toolbar
     8. Status badges, messages, misc
     9. Auth pages (login, sign-up, forgot password, accept invitation)
    10. Responsive
   ===================================================================== */

/* ---------- 1. design tokens ---------- */
:root {
    /* brand red (#bb0b0b family) */
    --brand-solid: #bb0b0b;
    --brand: #b00a0a;                 /* text + fills; 6.9:1 on white */
    --brand-strong: #8f0808;          /* hover / pressed */
    --brand-tint: #fbefef;            /* hover backgrounds, selected rows */
    --brand-tint-2: #f6dede;
    --focus-ring: rgba(187, 11, 11, 0.28);

    /* neutrals (warm grey, tinted towards the brand) */
    --bg: #f6f5f4;                    /* page background */
    --surface: #ffffff;               /* cards, inputs */
    --surface-2: #faf9f8;             /* table header, read-only fields */
    --text: #1f1d1d;
    --text-2: #4a4646;                /* secondary text */
    --muted: #686363;                 /* hints, captions — 5.7:1 on white */
    --border: #e4e1df;                /* dividers */
    --border-strong: #8f8989;         /* form-control outlines — 3.4:1 on white */

    /* status colours */
    --ok-bg: #e7f4ea;   --ok-fg: #1f5a2a;
    --warn-bg: #fdf1df; --warn-fg: #7a4600;
    --info-bg: #e7effc; --info-fg: #1b4691;
    --err-bg: #fdecea;  --err-fg: #9b1c17;

    /* type scale (1.2 ratio around a 14px UI base) */
    --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
    --fs-xs: 12px;
    --fs-sm: 13px;
    --fs-base: 14px;
    --fs-md: 16px;
    --fs-lg: 20px;
    --fs-xl: 24px;
    --lh: 1.45;

    /* spacing (4px grid) */
    --sp-1: 4px;
    --sp-2: 8px;
    --sp-3: 12px;
    --sp-4: 16px;
    --sp-5: 20px;
    --sp-6: 24px;
    --sp-8: 32px;
    --sp-10: 40px;

    /* radii + elevation */
    --radius-sm: 4px;
    --radius: 6px;
    --radius-lg: 10px;
    --shadow-card: 0 1px 2px rgba(31, 29, 29, 0.06), 0 4px 16px rgba(31, 29, 29, 0.05);
    --shadow-nav: 0 1px 0 var(--border), 0 2px 8px rgba(31, 29, 29, 0.04);

    --control-h: 40px;               /* height of inputs, selects, buttons */
}

/* ---------- 2. base ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font);
    font-size: var(--fs-base);
    line-height: var(--lh);
    background: var(--bg);
    color: var(--text);
}
input, select, textarea, button { font: inherit; color: inherit; }
a { color: var(--brand); text-underline-offset: 2px; }
::selection { background: var(--brand-tint-2); color: var(--text); }
:focus-visible { outline: 2px solid var(--brand-solid); outline-offset: 2px; }
small { color: var(--muted); font-size: var(--fs-xs); }

/* ---------- 3. navbar ---------- */
.navbar {
    background: var(--surface);
    padding: var(--sp-3) var(--sp-10);
    box-shadow: var(--shadow-nav);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--sp-4);
    position: relative;
    z-index: 1;
}
.brand { display: flex; align-items: center; gap: var(--sp-3); text-decoration: none; flex-shrink: 0; }
.logo { height: 36px; display: block; }
.brand-name {
    color: var(--brand-solid);
    font-size: var(--fs-lg);
    font-weight: 700;
    letter-spacing: 0.01em;
    white-space: nowrap;
}
.nav-links { display: flex; gap: var(--sp-1); flex-wrap: wrap; justify-content: flex-end; }
.nav-links a {
    text-decoration: none;
    color: var(--brand);
    font-weight: 500;
    padding: var(--sp-2) var(--sp-3);
    border-radius: var(--radius);
    white-space: nowrap;
    transition: background-color 0.15s ease, color 0.15s ease;
}
.nav-links a:hover { background: var(--brand-tint); }
.nav-links a.active { background: var(--brand); color: #fff; }
.nav-links a[href="/logout"] { color: var(--text-2); }
.nav-links a[href="/logout"]:hover { color: var(--brand); }

/* ---------- 4. layout ---------- */
.container {
    max-width: 900px;
    margin: var(--sp-8) auto;
    padding: var(--sp-8);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}
.container.wide { max-width: 1300px; }

h2 {
    color: var(--brand);
    font-size: var(--fs-xl);
    line-height: 1.25;
    margin-bottom: var(--sp-6);
    padding-bottom: var(--sp-3);
    border-bottom: 2px solid var(--brand);
}
.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--sp-4);
    margin-bottom: var(--sp-6);
    padding-bottom: var(--sp-3);
    border-bottom: 2px solid var(--brand);
}
.header-row h2 { margin: 0; padding: 0; border: 0; }
.header-actions { display: flex; gap: var(--sp-2); flex-wrap: wrap; }

.section {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--sp-5) var(--sp-6) var(--sp-6);
    margin-bottom: var(--sp-6);
}
.section h3 { font-size: var(--fs-md); line-height: 1.3; color: var(--brand); margin-bottom: var(--sp-4); }
.hint { font-size: var(--fs-sm); color: var(--muted); margin: calc(-1 * var(--sp-2)) 0 var(--sp-4); }

/* ---------- 5. forms ---------- */
.form-group { margin-bottom: var(--sp-5); min-width: 0; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: var(--fs-sm);
    color: var(--text-2);
}
/* required marker: any group whose field is required */
.form-group:has(> :required) > label::after {
    content: " *";
    color: var(--brand);
    font-weight: 700;
}
.form-group input,
.form-group select,
.form-group textarea,
.toolbar input,
.toolbar select,
table.list input {
    width: 100%;
    min-height: var(--control-h);
    padding: 8px 12px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    font-size: var(--fs-base);
    background: var(--surface);
    color: var(--text);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-group textarea { min-height: 84px; resize: vertical; line-height: var(--lh); }
.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover,
.toolbar input:hover,
.toolbar select:hover,
table.list input:hover { border-color: var(--text-2); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.toolbar input:focus,
.toolbar select:focus,
table.list input:focus {
    outline: none;
    border-color: var(--brand-solid);
    box-shadow: 0 0 0 3px var(--focus-ring);
}
::placeholder { color: var(--muted); opacity: 1; }
.form-group input[readonly] {
    background: var(--surface-2);
    border-color: var(--border);
    border-style: dashed;
    color: var(--text-2);
}
.form-group input[readonly]:hover { border-color: var(--border); }
.form-group input[readonly]:focus { box-shadow: none; border-color: var(--border-strong); }
.form-group select:disabled { background: var(--surface-2); color: var(--muted); border-color: var(--border); cursor: not-allowed; }
.form-group input[type=file] { padding: 6px; background: var(--surface-2); cursor: pointer; }
.form-group input[type=file]::file-selector-button {
    margin-right: var(--sp-3);
    padding: 5px 12px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    font: inherit;
    cursor: pointer;
}
.form-group input[type=file]::file-selector-button:hover { border-color: var(--brand); color: var(--brand); }
.form-group small { display: block; margin-top: 6px; font-size: var(--fs-sm); }
.row { display: flex; gap: var(--sp-4); align-items: flex-end; }
.row > .form-group { flex: 1; }
.row > .btn { margin-bottom: var(--sp-5); }

/* ---------- 6. buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: var(--control-h);
    padding: 8px 18px;
    cursor: pointer;
    background: var(--brand);
    color: #fff;
    border: 1px solid var(--brand);
    border-radius: var(--radius);
    font-size: var(--fs-base);
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:hover { background: var(--brand-strong); border-color: var(--brand-strong); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
/* secondary: neutral outline so the one primary action per row stands out */
.btn-outline { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn-outline:hover { background: var(--brand-tint); border-color: var(--brand); color: var(--brand); }
.btn-outline:disabled:hover { background: var(--surface); border-color: var(--border-strong); color: var(--text); }
/* destructive: red text, fills only on hover */
.btn-danger { background: var(--surface); color: var(--err-fg); border-color: #e2b4b1; }
.btn-danger:hover { background: var(--err-bg); border-color: var(--err-fg); color: var(--err-fg); }
.btn-danger:disabled:hover { background: var(--surface); border-color: #e2b4b1; }
.btn-sm { min-height: 32px; padding: 5px 12px; font-size: var(--fs-sm); }

/* ---------- 7. tables + toolbar ---------- */
.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
}
table.list { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
table.list th, table.list td {
    padding: 10px 12px;
    text-align: left;
    vertical-align: middle;
    border-bottom: 1px solid var(--border);
}
table.list th {
    background: var(--surface-2);
    color: var(--text-2);
    font-size: var(--fs-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
    border-bottom: 2px solid var(--brand);
}
table.list tbody tr:last-child td { border-bottom: 0; }
table.list tbody tr:hover td { background: #fcfafa; }
table.list td.actions { white-space: nowrap; }
table.list td.actions .btn { margin: 2px 0; }
table.list td.actions .btn + .btn { margin-left: 4px; }
table.list td.num, table.list th.num { text-align: right; }
table.list td.nowrap { white-space: nowrap; }
table.list td.key { font-weight: 600; white-space: nowrap; }
table.list td small { display: block; margin-top: 2px; }
table.list td .po-line { white-space: nowrap; }
table.list td .po-line + .po-line { margin-top: 6px; }
table.list td.cust { min-width: 150px; }
table.list input { min-height: 36px; padding: 6px 10px; }
table.list td.empty,
.empty {
    text-align: center;
    color: var(--muted);
    padding: var(--sp-10) var(--sp-4);
}
.empty a { font-weight: 600; }
table.list td.empty.error { color: var(--err-fg); }
/* wide tables keep readable columns and scroll sideways on small screens */
#ordersTable { min-width: 1080px; }
/* order actions wrap onto two lines instead of forcing sideways scroll */
#ordersTable td.actions { white-space: normal; width: 206px; min-width: 206px; }
#ordersTable td.actions .btn { margin: 2px 0; }
#ordersTable td.actions .btn + .btn { margin-left: 0; }
#drawingsTable { min-width: 900px; }
#customersTable { min-width: 720px; }
#posTable { min-width: 760px; }
#usersTable { min-width: 900px; }

.toolbar { display: flex; gap: var(--sp-3); margin-bottom: var(--sp-4); flex-wrap: wrap; }
.toolbar input { flex: 1 1 280px; min-width: 0; width: auto; }
.toolbar select { width: auto; flex: 0 0 auto; padding-right: 32px; }

/* ---------- 8. badges, messages, misc ---------- */
.details { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: var(--sp-4) var(--sp-6); }
.details dt { font-size: var(--fs-xs); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.details dd { font-size: 15px; font-weight: 500; margin-top: 2px; word-break: break-word; }

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px 3px 8px;
    border-radius: 999px;
    font-size: var(--fs-xs);
    font-weight: 700;
    white-space: nowrap;
}
.status-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status-badge:empty::before { display: none; }
.status-PENDING { background: var(--warn-bg); color: var(--warn-fg); }
.status-IN_PROGRESS { background: var(--info-bg); color: var(--info-fg); }
.status-COMPLETED { background: var(--ok-bg); color: var(--ok-fg); }
/* Users page: account status + role */
.user-pending { background: var(--warn-bg); color: var(--warn-fg); }
.user-active { background: var(--ok-bg); color: var(--ok-fg); }
.user-disabled { background: #eeecea; color: var(--text-2); }
.role-admin { background: var(--brand-tint); color: var(--brand); }
.role-staff { background: #eeecea; color: var(--text-2); }
.role-admin::before, .role-staff::before { display: none; }

/* pending sign-ups count next to "Users" in the navbar */
.nav-badge {
    display: inline-block;
    min-width: 20px;
    margin-left: 6px;
    padding: 0 6px;
    border-radius: 999px;
    background: var(--brand);
    color: #fff;
    font-size: var(--fs-xs);
    font-weight: 700;
    line-height: 18px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}
.nav-links a.active .nav-badge { background: #fff; color: var(--brand); }

.message { display: none; margin: var(--sp-3) 0; padding: 10px 14px; border-radius: var(--radius); font-size: var(--fs-base); border: 1px solid transparent; }
.message.error { display: block; background: var(--err-bg); color: var(--err-fg); border-color: #f3c4c0; }
.message.success { display: block; background: var(--ok-bg); color: var(--ok-fg); border-color: #bfe0c6; }
.message.warn { display: block; background: var(--warn-bg); color: var(--warn-fg); border-color: #f0d3a6; }

/* Users page: invite form, list headings, role select, inline remove confirmation */
.invite-form { display: flex; flex-wrap: wrap; align-items: flex-end; gap: var(--sp-3) var(--sp-4); }
.invite-form .form-group { margin-bottom: 0; }
.invite-form .invite-email { flex: 1 1 280px; }
.invite-form .invite-role { flex: 0 0 170px; }
.invite-form .btn { flex: 0 0 auto; }
.section .section-note { margin: var(--sp-3) 0 0; }
.list-heading { font-size: var(--fs-md); line-height: 1.3; color: var(--brand); margin: var(--sp-6) 0 var(--sp-3); }
#invitesTable { min-width: 760px; }
#invitesBlock + .list-heading { margin-top: var(--sp-8); }
.role-select {
    min-height: 32px;
    padding: 4px 8px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    background: var(--surface);
    font-size: var(--fs-sm);
    cursor: pointer;
}
.role-select:hover { border-color: var(--text-2); }
.role-select:focus { outline: none; border-color: var(--brand-solid); box-shadow: 0 0 0 3px var(--focus-ring); }
.role-select:disabled { opacity: 0.55; cursor: wait; }
table.list td .status-badge + small { display: block; margin-top: 4px; }
table.list tbody tr.confirming td { background: var(--err-bg); }
.confirm-text { font-size: var(--fs-sm); font-weight: 600; color: var(--err-fg); margin-right: 6px; }
/* the second, final click of a destructive action */
.btn-danger-solid { background: var(--err-fg); border-color: var(--err-fg); color: #fff; }
.btn-danger-solid:hover { background: #7d1612; border-color: #7d1612; }

.info-box {
    margin-top: var(--sp-3);
    padding: var(--sp-3) 14px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: var(--fs-sm);
    line-height: 1.6;
    color: var(--text-2);
    white-space: pre-line;
}
.file-link { color: var(--brand); font-weight: 500; overflow-wrap: anywhere; }
.no-file { color: var(--muted); font-style: italic; }
.loading { color: var(--muted); padding: var(--sp-6) 0; }

/* ---------- 9. auth pages (login; reuse for sign-up / forgot password) ---------- */
body.auth-page {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--sp-6) var(--sp-4);
}
.login-container {
    background: var(--surface);
    padding: var(--sp-10);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    width: 100%;
    max-width: 400px;
}
.login-brand { text-align: center; margin-bottom: var(--sp-6); }
.login-brand img { height: 56px; display: inline-block; }
.login-brand .company {
    color: var(--brand-solid);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.01em;
    margin-top: var(--sp-3);
}
.login-container h2 {
    text-align: center;
    font-size: var(--fs-lg);
    color: var(--text);
    border: 0;
    padding: 0;
    margin-bottom: var(--sp-6);
}
.login-container .btn { width: 100%; min-height: 44px; font-size: var(--fs-md); margin-top: var(--sp-1); }
.login-container .form-group label::after { content: none; }   /* every auth field is required */
.login-container .message { margin: 0 0 var(--sp-4); line-height: 1.5; }
.intro { color: var(--text-2); font-size: var(--fs-base); line-height: 1.5; margin: calc(-1 * var(--sp-3)) 0 var(--sp-5); text-align: center; }
.form-group input.code {
    font-size: var(--fs-xl);
    letter-spacing: 0.4em;
    text-indent: 0.4em;            /* balance the trailing letter-spacing */
    text-align: center;
    font-variant-numeric: tabular-nums;
}
.forgot { text-align: right; margin: calc(-1 * var(--sp-3)) 0 var(--sp-5); font-size: var(--fs-sm); }
.links {
    margin-top: var(--sp-6);
    padding-top: var(--sp-5);
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-2);
}
.links a, .forgot a, .link-btn { color: var(--brand); font-weight: 600; text-decoration: none; }
.links a:hover, .forgot a:hover, .link-btn:hover { text-decoration: underline; }
.link-btn { background: none; border: none; cursor: pointer; font-size: var(--fs-sm); padding: 2px 0; border-radius: var(--radius-sm); }
.link-btn:disabled { color: var(--muted); cursor: default; text-decoration: none; }
.step-actions { display: flex; justify-content: space-between; gap: var(--sp-3); flex-wrap: wrap; margin-top: var(--sp-4); }

/* ---------- 10. responsive ---------- */
@media (max-width: 1024px) {
    .navbar { padding: var(--sp-3) var(--sp-6); }
    .brand-name { font-size: 18px; }
}

@media (max-width: 860px) {
    /* phone / small tablet: brand + Logout on one row, the four page links as a 2×2 grid */
    .navbar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6px;
        padding: var(--sp-3) var(--sp-4);
    }
    .nav-links { display: contents; }
    .brand { grid-column: 1; grid-row: 1; min-width: 0; padding-bottom: 6px; }
    .logo { height: 28px; }
    .brand-name { font-size: var(--fs-md); }
    .nav-links a[href="/logout"] {
        grid-column: 2; grid-row: 1;
        justify-self: end; align-self: start;
        padding: 6px 10px;
    }
    .nav-links a:not([href="/logout"]) {
        text-align: center;
        padding: 9px 6px;
        border: 1px solid var(--border);
        font-size: var(--fs-sm);
    }
    .nav-links a.active { border-color: var(--brand); }
    /* odd number of page links (admins also see Users): the last one spans the row */
    .nav-links a:nth-child(odd):nth-last-child(2) { grid-column: 1 / -1; }

    .container { margin: var(--sp-4); padding: var(--sp-5) var(--sp-4); }
    h2 { font-size: var(--fs-lg); margin-bottom: var(--sp-5); }
    .section { padding: var(--sp-4); }
    .row { flex-direction: column; align-items: stretch; gap: 0; }
    .row > .form-group { max-width: none !important; }   /* override inline max-widths when stacked */
    .row > .btn { margin-bottom: var(--sp-5); }
    .header-row { flex-wrap: wrap; }
    .toolbar select { flex: 1 1 140px; }
    .login-container { padding: var(--sp-8) var(--sp-5); }
    .invite-form .invite-role { flex: 1 1 140px; }
}