/* ============================================================
   Zonitel login — React-app design parity (split-screen).
   Mirrors src/features/Auth/components/Login.tsx of the React
   SPA: left branding panel (indigo→purple gradient, phone-wave,
   feature pills) + right form panel. Static stylesheet — no
   webpack build required. Replaces the Metronic login-3 skin.
   ============================================================ */

:root {
    --zn-login-primary: #4f46e5;
    --zn-login-primary-strong: #4338ca;
    --zn-login-text: #0d1b32;
    --zn-login-text-soft: #54617a;
    --zn-login-text-muted: #8b93a6;
    --zn-login-placeholder: #9aa3b8;
    --zn-login-border: #e5e8f0;
    --zn-login-input-bg: #f6f7fa;
    --zn-login-danger: #dc2626;
    --zn-login-danger-soft: #fde3e3;
    --zn-login-danger-border: #f3c9c9;
    --zn-login-success: #0d9268;
    --zn-login-success-soft: #e4f6ee;
    --zn-login-success-border: #b5e3d2;
}

* { box-sizing: border-box; }

html, body {
    height: 100%;
    margin: 0;
}

body.zn-login-body {
    font-family: 'Hanken Grotesk', system-ui, -apple-system, sans-serif;
    background: #ffffff;
    color: var(--zn-login-text);
    -webkit-font-smoothing: antialiased;
}

.zn-login {
    min-height: 100vh;
    display: flex;
    overflow: hidden;
}

/* ---------- LEFT PANEL — branding ---------- */
.zn-login__brand {
    display: none;
    position: relative;
    width: 52%;
    flex-direction: column;
    justify-content: space-between;
    padding: 48px;
    overflow: hidden;
    background: linear-gradient(135deg, #312e81 0%, #4f46e5 45%, #7c3aed 100%);
}
@media (min-width: 1024px) {
    .zn-login__brand { display: flex; }
}

.zn-login__blob {
    position: absolute;
    width: 384px;
    height: 384px;
    border-radius: 50%;
    filter: blur(64px);
    pointer-events: none;
}
.zn-login__blob--tr { top: -128px; right: -128px; background: rgba(255, 255, 255, 0.05); }
.zn-login__blob--bl { bottom: -128px; left: -128px; background: rgba(88, 28, 135, 0.3); }

/* Phone-wave: expanding ping rings around a phone tile */
.zn-login__wave {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 192px;
    height: 192px;
    opacity: 0.2;
    pointer-events: none;
}
.zn-login__wave circle {
    transform-origin: 100px 100px;
    animation: zn-ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}
.zn-login__wave circle:nth-of-type(2) { animation-delay: 0.3s; }
.zn-login__wave circle:nth-of-type(3) { animation-delay: 0.6s; }
@keyframes zn-ping {
    75%, 100% { transform: scale(1.6); opacity: 0; }
}

.zn-login__logo-row {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
}
.zn-login__logo-tile {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}
.zn-login__logo-tile svg { width: 20px; height: 20px; stroke: #fff; }
.zn-login__logo-row img {
    height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
}

.zn-login__center {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 32px;
}
.zn-login__headline {
    margin: 0;
    font-size: 36px;
    line-height: 1.15;
    font-weight: 600;
    color: #ffffff;
}
.zn-login__headline span { color: #e9d5ff; }
.zn-login__sub {
    margin: 12px 0 0;
    max-width: 384px;
    font-size: 18px;
    line-height: 1.6;
    color: #c8d6f7;
}

.zn-login__features {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.zn-login__features li {
    display: flex;
    align-items: center;
    gap: 12px;
}
.zn-login__feature-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.zn-login__feature-icon svg { width: 16px; height: 16px; stroke: #fff; }
.zn-login__features span.zn-login__feature-label {
    color: #e9edff;
    font-size: 14px;
}

.zn-login__badge {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    border-radius: 999px;
    padding: 8px 16px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
    width: fit-content;
}
.zn-login__badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #34d399;
    animation: zn-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes zn-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
.zn-login__badge span:last-child {
    color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
    font-weight: 500;
}

/* ---------- RIGHT PANEL — form ---------- */
.zn-login__panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 24px;
    background: #ffffff;
}
@media (min-width: 640px) { .zn-login__panel { padding: 48px; } }
@media (min-width: 1024px) { .zn-login__panel { padding: 64px; } }

.zn-login__mobile-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 40px;
}
@media (min-width: 1024px) { .zn-login__mobile-logo { display: none; } }
.zn-login__mobile-logo-tile {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    display: flex;
    align-items: center;
    justify-content: center;
}
.zn-login__mobile-logo-tile svg { width: 16px; height: 16px; stroke: #fff; }
.zn-login__mobile-logo img { height: 28px; width: auto; }

.zn-login__card {
    width: 100%;
    max-width: 400px;
    animation: zn-enter 0.7s cubic-bezier(0.22, 0.8, 0.26, 1) both;
}
@keyframes zn-enter {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: none; }
}

.zn-login__title {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    color: var(--zn-login-text);
}
.zn-login__subtitle {
    margin: 6px 0 0;
    font-size: 14px;
    color: var(--zn-login-text-soft);
}
.zn-login__head { margin-bottom: 32px; }

.zn-login__form { display: flex; flex-direction: column; gap: 16px; }

.zn-login__field { display: flex; flex-direction: column; gap: 6px; }
.zn-login__label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.zn-login__label {
    font-size: 14px;
    font-weight: 500;
    color: #43506a;
}
.zn-login__forgot {
    font-size: 12px;
    font-weight: 500;
    color: var(--zn-login-primary);
    text-decoration: none;
    transition: color 0.15s ease;
}
.zn-login__forgot:hover { color: var(--zn-login-primary-strong); }

.zn-login__input-wrap { position: relative; }
.zn-login__input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    stroke: var(--zn-login-text-muted);
    pointer-events: none;
}
.zn-login__input {
    width: 100%;
    padding: 10px 16px 10px 40px;
    font-family: inherit;
    font-size: 14px;
    color: var(--zn-login-text);
    background: var(--zn-login-input-bg);
    border: 1px solid var(--zn-login-border);
    border-radius: 12px;
    outline: none;
    transition: all 0.15s ease;
}
.zn-login__input::placeholder { color: var(--zn-login-placeholder); }
.zn-login__input:focus {
    border-color: var(--zn-login-primary);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.3);
}
.zn-login__input--password { padding-right: 44px; }
.zn-login__input--code {
    padding: 10px 16px;
    text-align: center;
    font-size: 1.5rem;
    letter-spacing: 0.35em;
}

.zn-login__eye {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: var(--zn-login-text-muted);
    display: flex;
}
.zn-login__eye svg { width: 16px; height: 16px; stroke: currentColor; }
.zn-login__eye:hover { color: var(--zn-login-text-soft); }
.zn-login__eye .zn-login__eye-off { display: none; }
.zn-login__eye.is-visible .zn-login__eye-on { display: none; }
.zn-login__eye.is-visible .zn-login__eye-off { display: block; }

.zn-login__submit {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
    padding: 10px 16px;
    border: none;
    border-radius: 12px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
    cursor: pointer;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.35);
    transition: all 0.2s ease;
}
.zn-login__submit:active { transform: scale(0.98); }
.zn-login__submit:disabled,
.zn-login__submit.is-disabled {
    background: #9ca3af;
    box-shadow: none;
    cursor: not-allowed;
    opacity: 0.7;
}
.zn-login__submit svg {
    width: 16px;
    height: 16px;
    stroke: #fff;
    transition: transform 0.2s ease;
}
.zn-login__submit:not(:disabled):hover svg { transform: translateX(2px); }

/* Submitting state — button locked until the server responds (page navigation). */
.zn-login__submit.is-loading {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    box-shadow: none;
    opacity: 0.8;
    cursor: wait;
}
.zn-login__submit.is-loading svg:not(.zn-login__spinner) { display: none; }
.zn-login__spinner {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: zn-spin 0.8s linear infinite;
}
@keyframes zn-spin {
    to { transform: rotate(360deg); }
}
.zn-login__submit.is-loading:hover svg { transform: none; }

/* Submitting state — spinner replaces the arrow until the response lands */
.zn-login__spinner {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #ffffff;
    animation: zn-spin 0.7s linear infinite;
    flex-shrink: 0;
}
@keyframes zn-spin {
    to { transform: rotate(360deg); }
}
.zn-login__submit.is-loading {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    box-shadow: none;
    cursor: wait;
    opacity: 0.85;
}

.zn-login__footer {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--zn-login-border);
    text-align: center;
}
.zn-login__footer p {
    margin: 0;
    font-size: 12px;
    color: var(--zn-login-text-muted);
}

/* ---------- Alerts (login error + flashes) ---------- */
.zn-login__alert {
    border-radius: 12px;
    border: 1px solid;
    padding: 12px 16px;
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: 4px;
}
.zn-login__alert--danger {
    background: var(--zn-login-danger-soft);
    border-color: var(--zn-login-danger-border);
    color: var(--zn-login-danger);
}
.zn-login__alert--success {
    background: var(--zn-login-success-soft);
    border-color: var(--zn-login-success-border);
    color: var(--zn-login-success);
}

.zn-login__note {
    font-size: 13px;
    color: var(--zn-login-text-soft);
    margin: 0 0 4px;
}
.zn-login__note a { color: var(--zn-login-primary); font-weight: 600; text-decoration: none; }
.zn-login__note a:hover { text-decoration: underline; }

/* ---------- 2FA extras ---------- */
.zn-login__check {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 14px;
    color: var(--zn-login-text-soft);
    cursor: pointer;
    user-select: none;
}
.zn-login__check input {
    width: 16px;
    height: 16px;
    accent-color: var(--zn-login-primary);
    cursor: pointer;
}

/* Symfony validation feedback inside the card */
.zn-login__card .invalid-feedback,
.zn-login__card ul.list-unstyled {
    display: block;
    color: var(--zn-login-danger);
    font-size: 12.5px;
    margin: 6px 0 0;
    padding: 0;
    list-style: none;
    text-align: center;
}