:root {
    color-scheme: light dark;
    --bg: #0e1326;
    --panel: #161b33;
    --text: #f5f7ff;
    --accent: #2a6fff;
    --accent-strong: #194fd6;
    --border: #2a3155;
    --muted: #9aa5d0;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    min-height: 100%;
}

#app {
    min-height: 100vh;
}

.auth-layout {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.auth-card {
    width: min(420px, 90vw);
    background: var(--panel);
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

.auth-card h1 {
    margin-top: 0;
    font-size: 1.6rem;
}

.auth-card label {
    display: block;
    margin-top: 16px;
    font-size: 0.9rem;
}

.auth-card input {
    width: 100%;
    padding: 12px 14px;
    margin-top: 6px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(12, 17, 38, 0.9);
    color: var(--text);
}

.auth-card button {
    width: 100%;
    margin-top: 24px;
    padding: 12px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #fff;
    border: none;
    border-radius: 999px;
    font-weight: 600;
    cursor: pointer;
}

.auth-card button:hover {
    filter: brightness(1.05);
}

.auth-error {
    background: rgba(255, 92, 92, 0.1);
    border: 1px solid rgba(255, 92, 92, 0.4);
    color: #ffb3b3;
    padding: 10px 14px;
    border-radius: 10px;
}

.auth-hint {
    margin-top: 20px;
    font-size: 0.85rem;
    color: var(--muted);
    text-align: center;
}

.app-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.app-nav {
    background: rgba(12, 16, 32, 0.85);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.app-nav h2 {
    margin: 0;
    font-size: 1.1rem;
    letter-spacing: 0.08em;
    color: var(--muted);
    text-transform: uppercase;
}

.app-nav__links {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.app-nav__links button {
    appearance: none;
    background: transparent;
    border: none;
    padding: 12px 16px;
    text-align: left;
    border-radius: 10px;
    color: inherit;
    font-size: 0.95rem;
    cursor: pointer;
}

.app-nav__links button.active,
.app-nav__links button:hover {
    background: rgba(42, 111, 255, 0.18);
    color: #fff;
}

.app-nav__actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin: 12px 0 4px;
}

.app-nav__logout {
    margin-top: auto;
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid rgba(248, 113, 113, 0.35);
    background: rgba(248, 113, 113, 0.15);
    color: #fecaca;
    cursor: pointer;
    transition: filter 0.2s ease;
}

.app-nav__logout:hover {
    filter: brightness(1.08);
}

.app-main {
    padding: 32px clamp(16px, 5vw, 48px);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.card-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
    background: rgba(17, 24, 50, 0.9);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.card h3 {
    margin: 0 0 8px;
    font-size: 1.1rem;
}

.table-list {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.table-list th,
.table-list td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.table-list tbody tr:hover {
    background: rgba(255, 255, 255, 0.04);
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    background: rgba(42, 111, 255, 0.15);
    border: 1px solid rgba(42, 111, 255, 0.4);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #2a6fff;
}

.dialer {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(3, minmax(80px, 1fr));
    max-width: 320px;
}

.dialer button {
    padding: 18px 0;
    font-size: 1.1rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(42, 111, 255, 0.15);
    color: #fff;
    cursor: pointer;
}

.dialer button.call-action {
    grid-column: span 3;
    background: linear-gradient(135deg, #16c172, #0a9b56);
}

@media (max-width: 1024px) {
    .app-shell {
        grid-template-columns: 1fr;
    }
    .app-nav {
        flex-direction: row;
        overflow-x: auto;
        position: sticky;
        top: 0;
        background: rgba(14, 19, 38, 0.95);
        z-index: 10;
    }
}


/* Call management enhancements */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    background: rgba(60, 66, 90, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: background 0.2s ease, border-color 0.2s ease;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #6b7280;
}

.status-pill--online {
    background: rgba(16, 185, 129, 0.18);
    border-color: rgba(16, 185, 129, 0.4);
}

.status-pill--online .status-dot {
    background: #10b981;
}

.status-pill--pending {
    background: rgba(251, 191, 36, 0.18);
    border-color: rgba(251, 191, 36, 0.4);
}

.status-pill--pending .status-dot {
    background: #fbbf24;
}

.status-pill--error {
    background: rgba(248, 113, 113, 0.18);
    border-color: rgba(248, 113, 113, 0.45);
}

.status-pill--error .status-dot {
    background: #f87171;
}

.status-pill--offline .status-dot {
    background: #6b7280;
}

.call-launcher {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 10px 16px;
    border-radius: 999px;
    border: none;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.32);
    cursor: pointer;
    transition: transform 0.2s ease, filter 0.2s ease;
    z-index: 80;
}

.call-launcher__icon {
    font-size: 1.1rem;
}

.call-launcher__label {
    display: inline;
}

.call-launcher--floating {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    justify-content: center;
    font-size: 1.4rem;
    padding: 0;
}

.call-launcher--floating .call-launcher__label {
    display: none;
}

.call-launcher:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
}

.call-dialer {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: min(360px, 92vw);
    background: rgba(12, 18, 34, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    padding: 20px;
    transform: translateY(130%);
    transition: transform 0.24s ease;
    z-index: 90;
}

.call-dialer--open {
    transform: translateY(0);
}

.call-dialer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.call-dialer__header h3 {
    margin: 0;
    font-size: 1rem;
}

.call-dialer__close {
    background: transparent;
    border: none;
    color: var(--muted);
    font-size: 1.3rem;
    cursor: pointer;
}

.call-dialer__status {
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 12px;
}

.call-dialer__display {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(16, 23, 46, 0.9);
    color: var(--text);
    margin-bottom: 14px;
}

.call-dialer__pad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}

.call-dialer__key {
    padding: 12px 0;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(30, 38, 66, 0.8);
    color: inherit;
    font-size: 1.1rem;
    cursor: pointer;
}

.call-dialer__key:hover {
    background: rgba(42, 111, 255, 0.2);
}

.call-dialer__actions {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.call-dialer__btn {
    flex: 1;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(21, 27, 48, 0.7);
    color: inherit;
    cursor: pointer;
}

.call-dialer__btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.call-dialer__btn--call {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.4);
}

.call-dialer__btn--hang {
    background: rgba(248, 113, 113, 0.18);
    border-color: rgba(248, 113, 113, 0.45);
}

.call-dialer__message {
    min-height: 18px;
    font-size: 0.8rem;
    color: var(--muted);
}

.call-dialer__message[data-tone='success'] { color: #10b981; }
.call-dialer__message[data-tone='warn'] { color: #fbbf24; }
.call-dialer__message[data-tone='error'] { color: #f87171; }

.call-dialer__active {
    background: rgba(27, 35, 65, 0.75);
    border-radius: 12px;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.call-dialer__active.hidden {
    display: none;
}

.call-dialer__timer {
    font-variant-numeric: tabular-nums;
    color: var(--muted);
}

.inline-dialer {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.inline-dialer__heading {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.inline-dialer__status {
    font-size: 0.85rem;
    color: var(--muted);
}

.inline-dialer__display {
    width: 100%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(16, 23, 46, 0.85);
    color: var(--text);
}

.inline-dialer__pad {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.inline-dialer__key {
    padding: 10px 0;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(30, 38, 66, 0.7);
    color: inherit;
    font-size: 1.1rem;
    cursor: pointer;
}

.inline-dialer__key:hover {
    background: rgba(42, 111, 255, 0.2);
}

.inline-dialer__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.inline-dialer__btn {
    flex: 1 1 30%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(21, 27, 48, 0.7);
    color: inherit;
    cursor: pointer;
}

.inline-dialer__btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.inline-dialer__btn--primary {
    background: rgba(42, 111, 255, 0.18);
    border-color: rgba(42, 111, 255, 0.45);
}

.inline-dialer__btn--danger {
    background: rgba(248, 113, 113, 0.16);
    border-color: rgba(248, 113, 113, 0.4);
}

.inline-dialer__message {
    min-height: 18px;
    font-size: 0.8rem;
    color: var(--muted);
}

.inline-dialer__message[data-tone='success'] { color: #10b981; }
.inline-dialer__message[data-tone='warn'] { color: #fbbf24; }
.inline-dialer__message[data-tone='error'] { color: #f87171; }

.card--dialer {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.incoming-call {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(4, 6, 14, 0.6);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 100;
}

.incoming-call--visible {
    opacity: 1;
    pointer-events: all;
}

.incoming-call__card {
    background: rgba(16, 22, 40, 0.95);
    border-radius: 18px;
    padding: 28px;
    width: min(340px, 90vw);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.incoming-call__info {
    margin: 12px 0 20px;
    font-size: 1.05rem;
}

.incoming-call__actions {
    display: flex;
    gap: 12px;
}

.incoming-call__btn {
    flex: 1;
    padding: 10px 0;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    cursor: pointer;
}

.incoming-call__btn--accept { background: #10b981; color: #fff; }
.incoming-call__btn--transfer { background: #1e293b; color: #fff; }
.incoming-call__btn--decline { background: #ef4444; color: #fff; }

.transfer-modal {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(8, 11, 20, 0.65);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 110;
}

.transfer-modal--open {
    opacity: 1;
    pointer-events: all;
}

.transfer-modal__card {
    width: min(360px, 90vw);
    background: rgba(18, 24, 44, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 24px;
    display: grid;
    gap: 16px;
}

.transfer-modal__select {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(19, 27, 52, 0.9);
    color: var(--text);
}

.transfer-modal__footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.transfer-modal__btn {
    padding: 10px 16px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(25, 33, 58, 0.85);
    color: inherit;
    cursor: pointer;
}

.transfer-modal__btn--confirm {
    background: rgba(42, 111, 255, 0.2);
    border-color: rgba(42, 111, 255, 0.45);
}

.logs {
    background: rgba(16, 23, 48, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 16px;
    height: 280px;
    overflow-y: auto;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
}

.logline {
    padding: 4px 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.04);
}

.logline.err { color: #f87171; }
.logline.success { color: #10b981; }
.logline.warn { color: #facc15; }

.sip-lab__form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.sip-lab__controls {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.sip-lab__controls .sip-lab__button {
    flex: 1 1 160px;
    text-align: center;
}

.sip-lab__input {
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(16, 23, 48, 0.8);
    color: var(--text);
}

.sip-lab__button {
    padding: 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(18, 24, 44, 0.8);
    color: inherit;
    cursor: pointer;
}

.sip-lab__button--primary {
    background: rgba(42, 111, 255, 0.25);
    border-color: rgba(42, 111, 255, 0.45);
}

@media (max-width: 860px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .app-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 12px;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .call-dialer {
        right: 16px;
        left: 16px;
        width: auto;
    }
}