/* Login screen. Colours come from assets/css_v1/color.css (the project design tokens). */

.cb-login-body {
    height: 100%;
    min-height: 100vh;
    margin: 0;
    overflow: hidden;
    color: var(--cb-text);
    font-family: var(--cb-font-family, 'Segoe UI', Roboto, sans-serif);
    background: var(--cb-text);
}

html:has(.cb-login-body) {
    height: 100%;
}

.cb-login-body *,
.cb-login-body *::before,
.cb-login-body *::after {
    box-sizing: border-box;
}

/* ---------- full-page backdrop + 3D canvas ---------- */
.cb-login-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background: radial-gradient(90% 90% at 25% 35%, var(--cb-primary) 0%, var(--cb-primary-dark) 48%, var(--cb-text) 100%);
}

.cb-login-scene {
    position: fixed;
    inset: 0;
    z-index: 1;
    display: block;
    width: 100%;
    height: 100%;
}

/* ---------- intro splash (the 3D scene shows through; tap or wait to continue) ---------- */
.cb-login-splash {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding: 0 20px 7vh;
    overflow: hidden;
    color: var(--cb-text-inverse);
    text-align: center;
    cursor: pointer;
    background: linear-gradient(0deg, rgb(var(--cb-text-rgb) / 0.92), transparent 52%);
    transition: opacity 0.8s ease, visibility 0.8s;
}

.cb-login-splash.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.cb-login-splash.is-done {
    display: none;
}

.cb-login-splash-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 20% 30%, rgb(var(--cb-primary-rgb) / 0.8) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgb(var(--cb-secondary-rgb) / 0.4) 0%, transparent 50%);
    filter: blur(60px);
    opacity: 0.35;
    animation: cbLoginMesh 8s ease-in-out infinite alternate;
}

.cb-login-splash-title {
    position: relative;
    z-index: 1;
    margin: 0;
    color: var(--cb-text-inverse);
    font-size: clamp(2.6rem, 9vw, 4.8rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1;
    opacity: 0;
    transform: translateY(20px);
    animation: cbLoginFadeUp 0.9s 1.6s forwards;
}

.cb-login-splash-title i {
    color: var(--cb-secondary);
    font-style: normal;
}

.cb-login-splash-text {
    position: relative;
    z-index: 1;
    margin: 10px 0 0;
    color: rgb(var(--cb-text-inverse-rgb) / 0.85);
    font-size: var(--cb-font-size-lg);
    letter-spacing: 0.06em;
    opacity: 0;
    animation: cbLoginFadeUp 0.9s 2s forwards;
}

.cb-login-splash-bar {
    position: relative;
    z-index: 1;
    width: 170px;
    height: 4px;
    margin-top: 20px;
    overflow: hidden;
    background: rgb(var(--cb-text-inverse-rgb) / 0.18);
    border-radius: 4px;
}

.cb-login-splash-bar b {
    display: block;
    width: 0;
    height: 100%;
    background: var(--cb-secondary);
    animation: cbLoginBar 4.4s linear forwards;
}

.cb-login-splash-tap {
    position: relative;
    z-index: 1;
    margin-top: 12px;
    color: rgb(var(--cb-text-inverse-rgb) / 0.55);
    font-size: var(--cb-font-size-xs);
}

@keyframes cbLoginMesh {
    from { transform: scale(1) translate(0, 0); }
    to { transform: scale(1.2) translate(5%, 5%); }
}

@keyframes cbLoginFadeUp {
    to { opacity: 1; transform: none; }
}

@keyframes cbLoginBar {
    to { width: 100%; }
}

/* ---------- main layout ---------- */
.cb-login {
    position: relative;
    z-index: 2;
    display: flex;
    width: 100%;
    height: 100vh;
    transition: opacity 0.7s ease 0.35s;
}

.cb-login-splash:not(.loaded) ~ .cb-login {
    opacity: 0;
    pointer-events: none;
}

/* ---------- layout zones: text | 3D scene (centre, drawn by the canvas) | form ---------- */
/* ---------- left side: plain text on the dark scene ---------- */
.cb-login-hero {
    position: relative;
    display: flex;
    flex: 0 0 36%;
    align-items: center;
    justify-content: flex-start;
    padding: 40px 1vw 40px 4vw;
}

.cb-login-hero-content {
    width: 100%;
    color: var(--cb-text-inverse);
}

.cb-login-hero-title {
    display: flex;
    align-items: center;
    gap: clamp(10px, 1.2vw, 24px);
    margin: 0;
    color: var(--cb-text-inverse);
    font-size: clamp(1.8rem, 3vw, 3.8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.08;
}

.cb-login-hero-title i {
    flex: 0 0 auto;
    color: var(--cb-secondary);
    font-size: 0.8em;
}

.cb-login-hero-line {
    width: clamp(90px, 7vw, 150px);
    height: 5px;
    margin: clamp(14px, 2.6vh, 30px) 0;
    background: linear-gradient(90deg, var(--cb-secondary), transparent);
    border-radius: var(--cb-radius-full);
}

.cb-login-hero-text {
    margin: 0 0 clamp(14px, 2.6vh, 28px);
    color: var(--cb-text-inverse);
    font-size: clamp(0.95rem, 1.2vw, 1.5rem);
    line-height: 1.6;
}

.cb-login-hero-points {
    display: flex;
    flex-direction: column;
    gap: clamp(8px, 1.4vh, 16px);
    margin: 0;
    padding: 0;
    list-style: none;
    color: var(--cb-text-inverse);
    font-size: clamp(0.95rem, 1.2vw, 1.5rem);
}

.cb-login-hero-points li {
    display: flex;
    align-items: center;
    gap: 0.6em;
}

.cb-login-hero-points i {
    width: 1.3em;
    color: var(--cb-secondary-light);
    font-size: 0.95em;
    text-align: center;
}

.cb-login-hero-points strong {
    color: var(--cb-secondary-light);
    font-weight: 800;
}

/* ---------- right side: login card. Everything inside is in em, so it grows and shrinks with the screen ---------- */
.cb-login-panel {
    display: flex;
    flex: 0 0 38%;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    padding: 2vh 2vw;
    overflow-y: auto;
}

.cb-login-card {
    width: 100%;
    max-width: 27em;
    margin: auto;
    padding: 1.7em 2em 1.2em;
    font-size: clamp(13px, min(1.05vw, 2.1vh), 22px);
    background: var(--cb-surface);
    border-radius: 2.2em;
    box-shadow:
        0 0 0 0.65em rgb(var(--cb-primary-rgb) / 0.45),
        0 2.5em 5em rgb(var(--cb-text-rgb) / 0.45);
}

.cb-login-brand {
    margin-bottom: 0.5em;
    text-align: center;
}

.cb-login-logo {
    display: block;
    width: auto;
    max-width: 9.5em;
    height: 5.6em;
    margin: 0 auto;
}

.cb-login-title {
    margin: 0.4em 0 0;
    color: var(--cb-primary);
    font-size: 1.65em;
    font-weight: var(--cb-font-weight-semibold, 600);
    text-align: center;
}

.cb-login-field {
    margin-bottom: 1em;
}

.cb-login-label {
    display: block;
    margin-bottom: 0.4em;
    color: var(--cb-text-muted);
    font-size: 0.82em;
    font-weight: var(--cb-font-weight-bold, 700);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.cb-login-required {
    margin-left: 2px;
    color: var(--cb-danger);
    font-weight: var(--cb-font-weight-bold, 700);
}

.cb-login-input-wrap {
    position: relative;
}

.cb-login-input {
    display: block;
    width: 100%;
    padding: 0.8em 1.2em;
    color: var(--cb-text);
    font-family: inherit;
    font-size: 1em;
    line-height: 1.4;
    background: var(--cb-surface);
    background-image: none;
    border: 2px solid var(--cb-border);
    border-radius: 1.25em;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.cb-login-input::placeholder {
    color: var(--cb-text-light);
}

.cb-login-input:focus {
    border-color: var(--cb-secondary);
    box-shadow: 0 0 0 0.25em rgb(var(--cb-secondary-rgb) / 0.22);
}

.cb-login-input.has-toggle {
    padding-right: 3.2em;
}

/* invalid field: var(--cb-danger) border only (no icon inside the field) */
.cb-login-input.is-invalid,
.cb-login-input.is-invalid:focus {
    background-image: none;
    border-color: var(--cb-danger);
}

.cb-login-input.is-invalid:focus {
    box-shadow: 0 0 0 0.25em rgb(var(--cb-danger-rgb) / 0.15);
}

.cb-login-toggle {
    position: absolute;
    top: 50%;
    right: 0.75em;
    display: inline-flex;
    width: 2em;
    height: 2em;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: var(--cb-text-light);
    font-size: 1em;
    background: transparent;
    border: 0;
    border-radius: var(--cb-radius-full);
    cursor: pointer;
    transform: translateY(-50%);
}

.cb-login-toggle:hover,
.cb-login-toggle.is-active {
    color: var(--cb-secondary-dark);
}

/* validation message */
.cb-login-error {
    display: none;
    margin-top: 0.3em;
    color: var(--cb-danger);
    font-size: 0.85em;
    line-height: 1.35;
}

.cb-login-error.is-visible {
    display: block;
}

.cb-login-submit {
    position: relative;
    display: block;
    width: 100%;
    margin-top: 1.2em;
    padding: 0.95em;
    overflow: hidden;
    color: var(--cb-text-inverse);
    font-family: inherit;
    font-size: 1em;
    font-weight: var(--cb-font-weight-semibold, 600);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: linear-gradient(to right, var(--cb-primary), var(--cb-secondary));
    border: 0;
    border-radius: 1.25em;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s, opacity 0.3s;
}

.cb-login-submit::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 35%, rgb(var(--cb-text-inverse-rgb) / 0.35) 50%, transparent 65%);
    transform: translateX(-120%);
    transition: transform 0.7s;
}

.cb-login-submit:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 0.6em 1.6em rgb(var(--cb-primary-rgb) / 0.35);
}

.cb-login-submit:hover:not(:disabled)::after {
    transform: translateX(120%);
}

.cb-login-submit:disabled {
    cursor: not-allowed;
    opacity: 0.75;
}

.cb-login-foot {
    margin: 0.9em 0 0;
    color: var(--cb-text-muted);
    font-size: 0.9em;
    text-align: center;
}

.cb-login-foot strong {
    color: var(--cb-primary);
}

@media (prefers-reduced-motion: reduce) {
    .cb-login-splash-bg {
        animation: none;
    }

    .cb-login-splash-title,
    .cb-login-splash-text {
        opacity: 1;
        transform: none;
        animation: none;
    }
}

/* ---------- small screens ---------- */
@media (max-width: 992px) {
    .cb-login {
        flex-direction: column;
        overflow-y: auto;
    }

    .cb-login-hero {
        display: none;
    }

    .cb-login-panel {
        flex: none;
        width: 100%;
        min-height: 100vh;
        margin-left: 0;
        padding: clamp(110px, 20vh, 180px) 16px 24px;
        overflow-y: visible;
    }

    .cb-login-card {
        max-width: 27em;
        font-size: clamp(14px, 2.4vw, 17px);
    }
}

@media (max-width: 480px) {
    .cb-login-card {
        font-size: 14px;
        border-radius: 1.8em;
    }
}