/* eco3 Signaturgenerator — global styles */

:root {
    --color-bg: #f4f5f7;
    --color-surface: #ffffff;
    --color-border: #e2e5ea;
    --color-text: #1c2530;
    --color-muted: #6f7889;
    --color-primary: #0563c1;
    --color-primary-hover: #044c97;
    --color-success: #2f9e44;
    --color-success-hover: #267336;
    --color-danger: #c92a2a;
    --color-danger-hover: #a51e1e;
    --color-info-bg: #e7f5ff;
    --color-warning-bg: #fff4e6;
    --color-error-bg: #ffe3e3;
    --color-success-bg: #d3f9d8;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, .08);

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-8: 48px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #eef1f5; padding: 1px 6px; border-radius: var(--radius-sm); font-size: .875em; }

/* ---------- Auth shell (login, password change, install) ---------- */
.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #f4f5f7 0%, #e8edf3 100%);
    padding: var(--space-5);
}
.auth-shell .card {
    width: 100%;
    max-width: 520px;
}
.card-narrow { max-width: 440px; margin-inline: auto; }

/* ---------- Admin shell ---------- */
.admin-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.topbar {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3) var(--space-5);
    box-shadow: var(--shadow-sm);
}
.brand {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    font-weight: 600;
}
.brand a { color: var(--color-text); }
.brand-sub { color: var(--color-muted); font-size: .875rem; }
.topnav { display: flex; gap: var(--space-2); margin-left: auto; }
.topnav a {
    color: var(--color-text);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
}
.topnav a:hover { background: var(--color-bg); text-decoration: none; }
.topnav a.is-active { background: var(--color-primary); color: white; }
.topbar-user {
    display: flex; align-items: center; gap: var(--space-3);
    color: var(--color-muted); font-size: .9rem;
}
.content {
    flex: 1;
    padding: var(--space-5);
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
}

/* ---------- Cards ---------- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
}
.card h1 { margin-top: 0; font-size: 1.5rem; }
.card h2 { margin-top: 0; font-size: 1.125rem; }
.card-grid {
    display: grid;
    gap: var(--space-4);
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    margin-bottom: var(--space-5);
}

.page-head {
    display: flex; align-items: center; justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}
.page-head h1 { margin: 0; font-size: 1.5rem; }

/* ---------- Forms ---------- */
.form, .form-stack { display: flex; flex-direction: column; gap: var(--space-4); }
.form label, .form-stack label {
    display: flex; flex-direction: column; gap: var(--space-1);
    font-weight: 500;
    font-size: .9rem;
}
.form input, .form select, .form textarea,
.form-stack input, .form-stack select, .form-stack textarea {
    font: inherit;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: white;
    color: var(--color-text);
    transition: border-color .15s, box-shadow .15s;
}
.form input:focus, .form select:focus, .form textarea:focus,
.form-stack input:focus, .form-stack select:focus, .form-stack textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(5, 99, 193, .15);
}
fieldset {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-3);
}
fieldset legend { padding: 0 var(--space-2); color: var(--color-muted); font-size: .85rem; }
.form-actions { display: flex; gap: var(--space-3); }
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; }
.muted { color: var(--color-muted); font-size: .9rem; }

/* ---------- Buttons ---------- */
.btn-primary, .btn-success, .btn-danger, .btn-ghost {
    display: inline-flex; align-items: center; gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-weight: 500;
    font-size: .9rem;
    cursor: pointer;
    transition: background .15s, border-color .15s, color .15s;
    text-decoration: none;
}
.btn-primary { background: var(--color-primary); color: white; }
.btn-primary:hover { background: var(--color-primary-hover); text-decoration: none; }
.btn-success { background: var(--color-success); color: white; }
.btn-success:hover { background: var(--color-success-hover); }
.btn-danger { background: var(--color-danger); color: white; }
.btn-danger:hover { background: var(--color-danger-hover); }
.btn-ghost { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn-ghost:hover { background: var(--color-bg); text-decoration: none; }

/* ---------- Tables ---------- */
.data-table {
    width: 100%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    border-collapse: separate;
    border-spacing: 0;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.data-table th, .data-table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
    font-size: .9rem;
}
.data-table thead th {
    background: var(--color-bg);
    font-weight: 600;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: .03em;
    font-size: .75rem;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.row-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; justify-content: flex-end; }
.row-actions form { display: inline; }

/* ---------- Flash ---------- */
.flash {
    list-style: none;
    margin: 0 0 var(--space-4);
    padding: 0;
    display: flex; flex-direction: column; gap: var(--space-2);
}
.flash li {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    border-left: 4px solid;
    font-size: .9rem;
}
.flash-success { background: var(--color-success-bg); border-color: var(--color-success); }
.flash-error   { background: var(--color-error-bg);   border-color: var(--color-danger); }
.flash-info    { background: var(--color-info-bg);    border-color: var(--color-primary); }

/* ---------- Signature WYSIWYG ---------- */
.sig-editor { display: flex; flex-direction: column; gap: var(--space-3); }
.sig-editor-pane { display: flex; flex-direction: column; gap: var(--space-2); }
.sig-preview-pane { display: flex; flex-direction: column; gap: var(--space-2); margin-top: var(--space-3); }
.sig-toolbar {
    display: flex; align-items: center; gap: var(--space-2);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-2) var(--space-3);
    flex-wrap: wrap;
}
.sig-toolbar-group { display: flex; gap: var(--space-1); padding-right: var(--space-2); border-right: 1px solid var(--color-border); }
.sig-toolbar-group:last-of-type { border-right: none; }
.sig-toolbar-spacer { flex: 1; }
.sig-toolbar button {
    background: transparent; border: 1px solid transparent; border-radius: var(--radius-sm);
    padding: 4px 10px; cursor: pointer; font-size: .9rem;
    color: var(--color-text);
    min-width: 32px;
    transition: background .15s, border-color .15s;
}
.sig-toolbar button:hover { background: var(--color-bg); border-color: var(--color-border); }
.sig-wysiwyg {
    min-height: 360px;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-3);
    font-family: Arial, sans-serif;
    font-size: 10pt;
    line-height: 1.4;
    overflow: auto;
}
.sig-wysiwyg:focus { outline: 2px solid var(--color-primary); outline-offset: -2px; }
.sig-source {
    width: 100%;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: .85rem;
    padding: var(--space-3);
}

.sig-modal {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--space-5);
    max-width: 720px;
    width: 90%;
}
.sig-modal::backdrop { background: rgba(15, 23, 42, .4); }
.sig-modal h2 { margin: 0 0 var(--space-2); font-size: 1.1rem; }
.sig-placeholder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-2);
    max-height: 60vh;
    overflow-y: auto;
    margin: var(--space-3) 0;
}
.sig-placeholder-card {
    display: flex; flex-direction: column; gap: 4px;
    text-align: left;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    transition: border-color .15s, background .15s;
}
.sig-placeholder-card:hover { border-color: var(--color-primary); background: white; }
.sig-placeholder-card code { background: transparent; padding: 0; font-size: .85rem; color: var(--color-primary); }
.sig-placeholder-card span { color: var(--color-muted); font-size: .8rem; }

/* ---------- Signature editor split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.split-pane { display: flex; flex-direction: column; gap: var(--space-2); }
.preview-head {
    display: flex; align-items: baseline; justify-content: space-between;
    gap: var(--space-2);
}
.preview-width-label { font-size: .8rem; font-variant-numeric: tabular-nums; }

.preview-toolbar {
    display: flex; flex-wrap: wrap; gap: var(--space-1);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 4px;
    margin: var(--space-1) 0 var(--space-2);
}
.preview-size-btn {
    display: inline-flex; align-items: center; gap: 6px;
    background: transparent; border: 1px solid transparent;
    border-radius: var(--radius-sm);
    padding: 5px 10px;
    font-size: .8rem; font-variant-numeric: tabular-nums;
    color: var(--color-muted);
    cursor: pointer;
    transition: background .15s, border-color .15s, color .15s;
}
.preview-size-btn:hover { background: var(--color-bg); color: var(--color-text); }
.preview-size-btn.is-active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}
.preview-size-btn.is-active svg { color: white; }
.preview-size-btn svg { color: var(--color-muted); }
.preview-size-btn:hover svg { color: var(--color-text); }

/* Wrapper so a fixed-width iframe stays centered in the column. */
.preview-frame {
    display: flex; justify-content: center;
    background: repeating-linear-gradient(45deg, #f4f5f7, #f4f5f7 6px, #ebedf1 6px, #ebedf1 12px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-3);
    overflow: auto;
    min-height: 480px;
}
.preview-iframe {
    width: 100%;
    min-height: 440px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: white;
    transition: width .2s ease;
}

/* ---------- Banner editor (page-level wrap; details in banner-editor.css) ---------- */
.banner-toolbar {
    display: flex; flex-wrap: wrap; gap: var(--space-3);
    align-items: end;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: var(--space-3);
    border-radius: var(--radius-md);
}
.banner-toolbar label { flex: 1 1 200px; }
.banner-canvas-wrap { margin-top: var(--space-4); }
#banner-stage { background: #2c3038; border-radius: var(--radius-md); }

/* ---------- Help page steps ---------- */
.help-steps {
    list-style: none;
    counter-reset: helpstep;
    margin: 0; padding: 0;
    display: flex; flex-direction: column; gap: var(--space-4);
    max-width: 880px;
}
.help-step {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
}
.help-step h2 { margin: 0 0 var(--space-2); font-size: 1.1rem; }
.help-step p { margin: 0 0 var(--space-2); }
.help-step ul { margin: var(--space-2) 0; padding-left: 22px; line-height: 1.7; }

/* ---------- Mobile collapses ---------- */
@media (max-width: 720px) {
    .split { grid-template-columns: 1fr; }
    fieldset { grid-template-columns: 1fr; }
    .topnav { display: none; }
}