:root {
    color-scheme: dark;
    --color-bg: #010511;
    --color-overlay: rgba(1, 9, 25, 0.78);
    --color-surface: rgba(2, 14, 32, 0.5);
    --color-surface-muted: rgba(15, 23, 42, 0.38);
    --color-border: rgba(148, 163, 184, 0.35);
    --color-text: #f8fafc;
    --color-muted: rgba(226, 232, 240, 0.82);
    --color-primary: #17BEBB;
    --color-primary-dark: #0F8F8C;
    --color-error: #f87171;
    --color-success: #4ade80;
    --shadow-elevated: 0 25px 70px rgba(1, 6, 20, 0.75);
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1.5rem, 4vw, 3.5rem);
    color: var(--color-text);
    text-rendering: optimizeLegibility;
    background: radial-gradient(circle at top, rgba(10, 35, 70, 0.45), transparent 55%), var(--color-bg);
}

body.is-modal-open {
    overflow: hidden;
}

main {
    width: 100%;
}

.auth-shell {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
}

.auth-shell::before,
.auth-shell::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
}


.auth-shell::before {
    background: var(--color-bg);
}

.auth-shell::after {
    z-index: -1;
    background: linear-gradient(145deg, rgba(1, 5, 17, 0.93), rgba(3, 11, 27, 0.75));
}

@media (max-width: 767px) {
    .auth-shell::before {
        background-image: url('https://officio.pro/app/images/fond.png');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }

    .auth-shell::after {
        background: linear-gradient(145deg, rgba(1, 5, 17, 0.65), rgba(3, 11, 27, 0.45));
    }
}

.app-auth {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1.5rem, 4vw, 4rem);
    isolation: isolate;
}

.app-auth__content {
    width: 100%;
    display: grid;
    gap: clamp(1rem, 3vw, 2.75rem);
    grid-template-columns: minmax(0, 1fr);
    max-width: min(420px, 100%);
}

@media (min-width: 768px) {
    .app-auth__content {
        max-width: 520px;
    }
}

.app-auth__panel {
    background: var(--color-surface);
    border-radius: 1.8rem;
    padding: clamp(1.35rem, 3vw, 2.35rem);
    border: none;
    box-shadow: var(--shadow-elevated);
    backdrop-filter: blur(18px);
    animation: panelEnter 620ms ease forwards;
}

.app-auth__panel--info {
    display: none;
    text-align: center;
    color: var(--color-text);
    background: rgba(3, 8, 20, 0.82);
    border: 1px solid rgba(82, 239, 247, 0.2);
}

@media (min-width: 768px) {
    .app-auth__panel--info {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 1.5rem;
    }
}

.app-auth__header {
    display: grid;
    gap: 0.35rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.app-auth__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.85rem;
    color: var(--color-muted);
    margin: 0;
    font-weight: 700;
}

.app-auth__header h1 {
    margin: 0;
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 700;
}

.app-auth__intro {
    margin: 0;
    color: var(--color-muted);
    font-size: 1rem;
}

.app-auth__status {
    min-height: 1.5rem;
    margin-bottom: 1rem;
}

.app-auth__info-brand img {
    max-width: 100%;
    height: auto;
}

.app-auth__info-text {
    display: grid;
    gap: 0.75rem;
}

.app-auth__info-text h2 {
    margin: 0;
    font-size: 1.5rem;
}

.app-auth__info-text p {
    margin: 0;
    color: var(--color-muted);
    line-height: 1.5;
}

.app-auth__info-qr img {
    width: min(240px, 75%);
    height: auto;
    margin: 0 auto;
    display: block;
    filter: drop-shadow(0 20px 45px rgba(0, 0, 0, 0.6));
}

.alert {
    margin: 0;
    padding: 0.85rem 1rem;
    border-radius: 1rem;
    font-size: 0.95rem;
    display: flex;
    gap: 0.65rem;
    align-items: center;
    border: 1px solid transparent;
    background: rgba(15, 23, 42, 0.45);
}

.alert--error {
    background: rgba(248, 113, 113, 0.2);
    border-color: rgba(248, 113, 113, 0.5);
    color: var(--color-error);
}

.alert--success {
    background: rgba(74, 222, 128, 0.2);
    border-color: rgba(74, 222, 128, 0.45);
    color: var(--color-success);
}

.alert--animated {
    animation: alertReveal 420ms ease forwards, alertPulse 3s ease-in-out infinite 1.2s;
}

.form-panel {
    padding: 0;
    margin: 0;
}

.app-auth__panel--form {
    display: block;
}

@media (min-width: 768px) {
    .app-auth__panel--form {
        display: none;
    }
}

form {
    display: grid;
    gap: 1.1rem;
    margin: 0;
}

.field {
    display: grid;
    gap: 0.4rem;
}

label {
    font-weight: 600;
    font-size: 0.9rem;
}

input {
    border-radius: 1rem;
    border: 1px solid var(--color-border);
    padding: 0.95rem 1.1rem;
    font-size: 1rem;
    transition: all 200ms ease;
    font-family: inherit;
    width: 100%;
    background: rgba(2, 6, 23, 0.5);
    color: var(--color-text);
}

input::placeholder {
    color: rgba(248, 250, 252, 0.6);
}

input:focus-visible {
    outline: 2px solid transparent;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(23, 190, 187, 0.25);
}

.password-field {
    display: flex;
    align-items: center;
    border-radius: 1rem;
    border: 1px solid var(--color-border);
    padding-right: 0.35rem;
    transition: border-color 200ms ease, box-shadow 200ms ease;
    background: rgba(2, 6, 23, 0.5);
}

.password-field:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(23, 190, 187, 0.25);
}

.password-field input {
    border: none;
    flex: 1;
    padding-right: 0;
    box-shadow: none;
    background: transparent;
}

.password-field input:focus {
    outline: none;
}

.toggle-password {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0.4rem 0.55rem;
    border-radius: 0.75rem;
    color: var(--color-muted);
    transition: background-color 200ms ease, color 200ms ease;
}

.toggle-password svg {
    width: 22px;
    height: 22px;
}

.toggle-password:hover,
.toggle-password:focus-visible {
    background: rgba(23, 190, 187, 0.12);
    color: var(--color-primary-dark);
    outline: none;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.9rem 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 200ms ease;
    text-decoration: none;
}

.button--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #ffffff;
    box-shadow: 0 20px 38px rgba(23, 190, 187, 0.28);
}

.button--primary:hover,
.button--primary:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 24px 44px rgba(23, 190, 187, 0.34);
    outline: none;
}

.button--ghost {
    background: var(--color-surface-muted);
    border-color: var(--color-border);
    color: var(--color-text);
}

.button--ghost:hover,
.button--ghost:focus-visible {
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
    outline: none;
}

.form-panel__actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.form-panel--login .form-panel__actions {
    width: 100%;
}

.form-panel--login .form-panel__actions .button--primary {
    width: 100%;
}

.app-auth__secondary-action {
    margin-top: 0.75rem;
    text-align: center;
}

.app-auth__secondary-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 0.5rem;
    border-radius: 999px;
    font-weight: 400;
    font-size: 0.95rem;
    color: #ffffff;
    text-decoration: none;
    background: transparent;
    border: none;
    transition: color 200ms ease, transform 180ms ease;
}

.app-auth__secondary-link:hover,
.app-auth__secondary-link:focus-visible {
    color: #ffffff;
    outline: none;
    transform: translateY(-1px);
}

.auth-shell.is-forgot-visible .form-panel--forgot,
.auth-shell.is-login-visible .form-panel--login {
    animation: panelEnter 420ms ease both;
}

@keyframes panelEnter {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes alertReveal {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes alertPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(23, 190, 187, 0.25);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(23, 190, 187, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(23, 190, 187, 0);
    }
}

/* Install modal */
.install-modal {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: clamp(1rem, 4vw, 2.5rem);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.install-modal.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.install-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.55);
    backdrop-filter: blur(8px);
}

.install-modal__panel {
    position: relative;
    z-index: 1;
    width: min(420px, 100%);
    padding: clamp(1.4rem, 4vw, 1.9rem);
    border-radius: 1.5rem 1.5rem 0 0;
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: linear-gradient(135deg, rgba(14, 22, 44, 0.95), rgba(7, 12, 30, 0.95));
    box-shadow: 0 32px 48px rgba(2, 6, 23, 0.55);
    display: grid;
    gap: 1.1rem;
    transform: translateY(24px);
    transition: transform 0.3s ease;
    padding-bottom: calc(clamp(1.4rem, 4vw, 1.9rem) + env(safe-area-inset-bottom, 0px));
}

.install-modal.is-visible .install-modal__panel {
    transform: translateY(0);
}

.install-modal__close {
    position: absolute;
    top: 12px;
    right: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: rgba(15, 23, 42, 0.9);
    color: var(--color-text);
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.install-modal__close svg {
    width: 18px;
    height: 18px;
}

.install-modal__close:hover,
.install-modal__close:focus-visible {
    border-color: rgba(23, 190, 187, 0.6);
    box-shadow: 0 0 0 4px rgba(23, 190, 187, 0.18);
    transform: translateY(-1px);
    outline: none;
}

.install-modal__body {
    display: grid;
    gap: 0.75rem;
    color: var(--color-text);
}

.install-modal__title {
    margin: 0;
    font-size: clamp(1.1rem, 3.8vw, 1.45rem);
    font-weight: 600;
}

.install-modal__text {
    margin: 0;
    color: var(--color-muted);
    font-size: clamp(0.9rem, 3vw, 1.05rem);
    line-height: 1.45;
}

.install-modal__text--ready {
    color: var(--color-primary-dark);
    font-weight: 600;
}

.install-modal__text--ios {
    color: var(--color-primary);
    font-weight: 600;
}

.install-modal__ios {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
    border-radius: 14px;
    background: rgba(23, 190, 187, 0.08);
    border: 1px solid rgba(23, 190, 187, 0.28);
}

.install-modal__ios-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    box-shadow: 0 18px 32px rgba(23, 190, 187, 0.28);
}

.install-modal__ios-icon svg {
    width: 24px;
    height: 24px;
}

.install-modal__ios-content {
    display: grid;
    gap: 0.35rem;
}

.install-modal__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: flex-end;
}

.install-modal__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.85rem 1.5rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    min-width: 150px;
}

.install-modal__button--primary {
    color: #ffffff;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    box-shadow: 0 18px 32px rgba(23, 190, 187, 0.28);
}

.install-modal__button--primary:hover,
.install-modal__button--primary:focus-visible {
    box-shadow: 0 24px 40px rgba(23, 190, 187, 0.34);
    transform: translateY(-1px);
    outline: none;
}

.install-modal__button--ghost {
    background: rgba(15, 23, 42, 0.7);
    border-color: rgba(148, 163, 184, 0.35);
    color: var(--color-text);
}

.install-modal__button--ghost:hover,
.install-modal__button--ghost:focus-visible {
    border-color: rgba(23, 190, 187, 0.55);
    box-shadow: 0 16px 28px rgba(2, 6, 23, 0.32);
    outline: none;
    transform: translateY(-1px);
}

.install-modal__button[disabled] {
    opacity: 0.6;
    cursor: progress;
    box-shadow: none;
}

@media (max-width: 960px) {
    .form-panel__actions {
        justify-content: center;
    }
}

@media (max-width: 720px) {
    body {
        padding: 1.5rem;
    }

    .app-auth__panel {
        padding: 1.5rem;
    }
}