/* ── Tokens ─────────────────────────────────────────────────────────────── */
:root {
    --bg:          #2B2B33;
    --bg-raised:   #32323C;
    --bg-panel:    #3A3A45;
    --mint:        #74E7B5;
    --mint-light:  #CBF6E3;
    --mint-dim:    rgba(116,231,181,.15);
    --text:        #F0F0F4;
    --text-muted:  #C0C0CC;
    --text-dark:   #1E1E26;
    --border:      rgba(116,231,181,.22);
    --danger:      #FF6B6B;
    --radius-sm:   6px;
    --radius-md:   12px;
    --radius-lg:   20px;
    --shadow-sm:   0 2px 8px rgba(0,0,0,.25);
    --shadow-md:   0 8px 32px rgba(0,0,0,.35);
    --transition:  .18s ease;
}

/* ── Reset / Base ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    color: var(--text);
    background-color: var(--bg);
    margin: 0;
}

/* ── Auth page ───────────────────────────────────────────────────────────── */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse 80% 60% at 60% 40%, rgba(116,231,181,.07) 0%, transparent 70%), var(--bg);
    overflow: hidden;
}

.auth-wrapper {
    position: relative;
    width: 100%;
    max-width: 440px;
    padding: 24px;
}

.auth-card {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 44px 40px 36px;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1;
}

/* brand mark */
.auth-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 32px;
}
.brand-icon {
    width: 44px; height: 44px;
    background: var(--mint-dim);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
}
.brand-icon-sm {
    width: 34px; height: 34px;
    background: var(--mint-dim);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
}
.brand-name {
    font-family: 'Syne', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--mint-light);
    letter-spacing: .02em;
}

/* headings */
.auth-heading {
    font-family: 'Syne', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text);
    margin: 0 0 4px;
}
.auth-subheading {
    font-size: .88rem;
    color: var(--text-muted);
    margin: 0 0 28px;
}

/* field */
.field-group { margin-bottom: 18px; }
.name-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.field-label {
    display: block;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 7px;
}
.field-input {
    width: 100%;
    background: var(--bg-panel);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: .95rem;
    padding: 11px 14px;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.field-input::placeholder { color: var(--text-muted); }
.field-input:focus {
    border-color: var(--mint);
    box-shadow: 0 0 0 3px rgba(116,231,181,.15);
}

/* auth button */
.auth-btn {
    width: 100%;
    background: var(--mint);
    color: var(--text-dark);
    font-family: 'DM Sans', sans-serif;
    font-size: .95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    padding: 13px;
    cursor: pointer;
    transition: opacity var(--transition), transform var(--transition);
    margin-top: 8px;
}
.auth-btn:hover { opacity: .88; transform: translateY(-1px); }
.auth-btn:active { transform: translateY(0); opacity: 1; }

/* switch link */
.auth-switch {
    text-align: center;
    font-size: .85rem;
    color: var(--text-muted);
    margin: 20px 0 0;
}
.auth-switch-link {
    color: var(--mint);
    font-weight: 600;
    text-decoration: none;
}
.auth-switch-link:hover { text-decoration: underline; }

/* result/error */
.auth-result {
    text-align: center;
    font-size: .85rem;
    color: var(--danger);
    margin: 12px 0 0;
    min-height: 20px;
}

/* decorative rings */
.auth-decoration { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.deco-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(116,231,181,.08);
}
.deco-ring-1 { width: 500px; height: 500px; top: -180px; right: -180px; }
.deco-ring-2 { width: 320px; height: 320px; bottom: -100px; left: -100px; }
.deco-dot {
    position: absolute;
    border-radius: 50%;
    background: var(--mint);
    opacity: .18;
}
.deco-dot-1 { width: 6px; height: 6px; top: 18%; right: 12%; }
.deco-dot-2 { width: 4px; height: 4px; top: 72%; left: 8%; }
.deco-dot-3 { width: 8px; height: 8px; bottom: 20%; right: 25%; }

/* ── App header ──────────────────────────────────────────────────────────── */
.app-header {
    background: var(--bg-raised);
    border-bottom: 1px solid var(--border);
}
.welcome-text {
    font-family: 'Syne', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--mint-light);
}
.logout-btn {
    display: flex; align-items: center; gap: 7px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-family: 'DM Sans', sans-serif;
    font-size: .85rem;
    padding: 8px 16px;
    cursor: pointer;
    transition: border-color var(--transition), color var(--transition);
}
.logout-btn:hover { border-color: var(--mint); color: var(--mint); }

/* ── Panel section ───────────────────────────────────────────────────────── */
.panel-section {
    background: var(--bg-raised);
    border-bottom: 1px solid var(--border);
}
.form-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px;
    height: 100%;
}
.panel-title {
    font-family: 'Syne', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--mint-light);
    margin: 0 0 20px;
}
.panel-field-label {
    display: block;
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 7px;
}
.panel-required { color: var(--mint); }
.panel-input {
    width: 100%;
    background: var(--bg-raised);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: .9rem;
    padding: 10px 13px;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.panel-input::placeholder { color: var(--text-muted); }
.panel-input:focus {
    border-color: var(--mint);
    box-shadow: 0 0 0 3px rgba(116,231,181,.12);
}
.panel-input:disabled {
    opacity: .45;
    cursor: not-allowed;
}
.panel-btn {
    display: inline-flex; align-items: center; gap: 7px;
    background: var(--mint);
    color: var(--text-dark);
    font-family: 'DM Sans', sans-serif;
    font-size: .88rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 20px;
    cursor: pointer;
    transition: opacity var(--transition), transform var(--transition);
}
.panel-btn:hover:not(:disabled) { opacity: .85; transform: translateY(-1px); }
.panel-btn:disabled {
    background: var(--bg-raised);
    color: var(--text-muted);
    border: 1px solid rgba(255,255,255,.07);
    cursor: not-allowed;
    transform: none; opacity: 1;
}
.panel-btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid rgba(255,107,107,.3);
}
.panel-btn-danger:hover:not(:disabled) {
    background: rgba(255,107,107,.1);
    opacity: 1;
}
.panel-btn-danger:disabled {
    background: transparent;
    color: var(--text-muted);
    border-color: rgba(255,255,255,.07);
}
.panel-error {
    font-size: .82rem;
    color: var(--danger);
    min-height: 18px;
}
.panel-hint {
    font-size: .82rem;
    color: var(--text-muted);
    font-style: italic;
}

/* disabled edit section */
#editSection.edit-disabled {
    opacity: .45;
    pointer-events: none;
}

/* ── Contacts list ───────────────────────────────────────────────────────── */
.contacts-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}
.contacts-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin: 0;
}

/* search */
.search-bar {
    display: flex;
    align-items: center;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    width: 100%;
}
.search-icon {
    color: var(--text-muted);
    padding: 0 12px;
    font-size: 1rem;
}
.search-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: .9rem;
    padding: 10px 4px;
    outline: none;
}
.search-input::placeholder { color: var(--text-muted); }
.search-btn {
    background: var(--mint);
    color: var(--text-dark);
    font-family: 'DM Sans', sans-serif;
    font-size: .82rem;
    font-weight: 600;
    border: none;
    padding: 10px 18px;
    cursor: pointer;
    transition: opacity var(--transition);
}
.search-btn:hover { opacity: .85; }

/* contact cards */
.contact-card {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 22px 24px;
    cursor: pointer;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    height: 100%;
}
.contact-card:hover {
    border-color: var(--mint);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.contact-card.selected-contact {
    border-color: var(--mint);
    background: var(--mint-dim);
    box-shadow: 0 0 0 3px rgba(116,231,181,.12);
}
.contact-avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--mint-dim);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-family: 'Syne', sans-serif;
    font-size: .85rem;
    font-weight: 700;
    color: var(--mint);
    margin-bottom: 14px;
    flex-shrink: 0;
}
.contact-name {
    font-family: 'Syne', sans-serif;
    font-size: .95rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 8px;
}
.contact-info {
    font-size: .82rem;
    color: var(--text-muted);
    margin: 0 0 3px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.contact-info i { color: var(--mint); font-size: .75rem; }

/* no contacts message */
.no-contacts {
    color: var(--text-muted);
    font-size: .9rem;
    padding: 16px 0;
}