*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Vazirmatn !important;
}

/* ============================================================
   THE VAULT — bespoke styles (ported 1-to-1 from styles.css)
============================================================ */
/* ====== Flip container ====== */
.vault-shell {
    position: relative;
    min-height: 100vh;
    background: radial-gradient(1200px 600px at 80% -10%, oklch(0.32 0.08 75 / 0.55), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, oklch(0.28 0.12 25 / 0.45), transparent 60%),
    linear-gradient(-180deg, oklch(0.14 0.02 60) 0%, oklch(0.09 0.015 50) 100%);
    color: oklch(0.96 0.02 85);
    font-family: Vazirmatn !important;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 20px;
    overflow: hidden;
}

.vault-grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(oklch(0.5 0.05 70 / 0.06) 1px, transparent 1px),
    linear-gradient(-90deg, oklch(0.5 0.05 70 / 0.06) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse at center, black 35%, transparent 80%);
    pointer-events: none;
}

.vault-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, oklch(0.78 0.16 75 / 0.18), transparent 70%);
    filter: blur(40px);
    top: 30%;
    right: 50%;
    transform: translate(50%, -50%);
    animation: vault-pulse 6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes vault-pulse {
    0%, 100% {
        opacity: 0.55;
        transform: translate(50%, -50%) scale(1);
    }
    50% {
        opacity: 0.9;
        transform: translate(50%, -50%) scale(1.08);
    }
}

.vault-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 880px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 28px;
    border-radius: 28px;
    background: linear-gradient(-180deg, oklch(0.18 0.02 70 / 0.85), oklch(0.12 0.015 60 / 0.9));
    border: 1px solid oklch(0.55 0.08 75 / 0.25);
    box-shadow: 0 0 0 1px oklch(0.95 0.05 80 / 0.04) inset,
    0 40px 80px -20px oklch(0 0 0 / 0.7),
    0 0 60px oklch(0.7 0.15 75 / 0.08);
    backdrop-filter: blur(14px);
}

@media (min-width: 880px) {
    .vault-card {
        grid-template-columns: 1fr 1fr;
        padding: 40px;
        gap: 40px;
        align-items: center;
    }

    .vault-header {
        grid-column: 1 / -1;
    }
}

.vault-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding-bottom: 16px;
    border-bottom: 1px solid oklch(0.55 0.08 75 / 0.15);
}

.vault-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    letter-spacing: 0.22em;
    font-size: 13px;
    color: oklch(0.92 0.08 80);
}

.vault-brand-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: radial-gradient(circle, oklch(0.9 0.18 80), oklch(0.55 0.18 60));
    box-shadow: 0 0 12px oklch(0.85 0.18 75 / 0.7);
}

.vault-meta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: oklch(0.72 0.04 75);
}

.vault-meta-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: oklch(0.78 0.18 145);
    box-shadow: 0 0 10px oklch(0.78 0.18 145 / 0.8);
    animation: vault-blink 2s infinite;
}

@keyframes vault-blink {
    50% {
        opacity: 0.35;
    }
}

/* ====== Vault door ====== */
.vault-door-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

.vault-door {
    position: relative;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, oklch(0.45 0.09 80), oklch(0.18 0.03 60) 70%);
    box-shadow: inset 0 0 0 2px oklch(0.75 0.12 80 / 0.35),
    inset 0 0 60px oklch(0 0 0 / 0.6),
    0 20px 60px oklch(0 0 0 / 0.6),
    0 0 80px oklch(0.7 0.15 75 / 0.15);
    transition: transform 1s cubic-bezier(.7, .1, .2, 1), box-shadow .8s;
}

.vault-door.unlocked {
    transform: rotate(20deg) scale(0.96);
    box-shadow: inset 0 0 0 2px oklch(0.85 0.18 145 / 0.5),
    inset 0 0 80px oklch(0.5 0.15 145 / 0.3),
    0 20px 60px oklch(0 0 0 / 0.6),
    0 0 120px oklch(0.7 0.2 140 / 0.4);
}

.vault-door-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid oklch(0.7 0.08 75 / 0.25);
    pointer-events: none;
}

.vault-door-ring-mid {
    inset: 18px;
    border-color: oklch(0.7 0.1 80 / 0.35);
}

.vault-door-ring-inner {
    inset: 38px;
    border: 2px dashed oklch(0.78 0.1 80 / 0.3);
    animation: vault-rotate 30s linear infinite;
}

@keyframes vault-rotate {
    to {
        transform: rotate(-360deg);
    }
}

.vault-bolts {
    position: absolute;
    inset: 0;
}

.vault-bolts span {
    position: absolute;
    top: 50%;
    right: 50%;
    width: 12px;
    height: 12px;
    margin: -6px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, oklch(0.85 0.1 80), oklch(0.35 0.06 70));
    box-shadow: 0 0 8px oklch(0 0 0 / 0.6), inset 0 1px 2px oklch(1 0 0 / 0.4);
}

.vault-dial {
    position: absolute;
    inset: 50px;
    border-radius: 50%;
    background: conic-gradient(from 0deg,
    oklch(0.32 0.06 75), oklch(0.55 0.1 80),
    oklch(0.32 0.06 75), oklch(0.55 0.1 80),
    oklch(0.32 0.06 75));
    box-shadow: inset 0 0 0 2px oklch(0.85 0.12 80 / 0.4),
    inset 0 6px 18px oklch(0 0 0 / 0.5),
    0 4px 16px oklch(0 0 0 / 0.5);
    transition: transform 0.6s cubic-bezier(.5, .1, .2, 1);
}

.vault-dial-notch {
    position: absolute;
    top: 6px;
    right: 50%;
    width: 6px;
    height: 18px;
    margin-right: -3px;
    border-radius: 3px;
    background: oklch(0.95 0.18 75);
    box-shadow: 0 0 10px oklch(0.95 0.18 75 / 0.9);
}

.vault-dial-tick {
    position: absolute;
    top: 50%;
    right: 50%;
    width: 2px;
    height: 8px;
    margin: -4px -1px;
    background: oklch(0.95 0.06 80 / 0.65);
    border-radius: 1px;
}

.vault-core {
    position: absolute;
    top: 50%;
    right: 50%;
    width: 90px;
    height: 90px;
    margin: -45px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, oklch(0.95 0.12 85), oklch(0.45 0.12 70));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 -4px 12px oklch(0 0 0 / 0.4),
    0 0 24px oklch(0.85 0.15 80 / 0.6);
    color: oklch(0.18 0.03 60);
}

.vault-core-label {
    font-weight: 800;
    font-size: 22px;
    letter-spacing: 0.05em;
}

.vault-core-sub {
    font-size: 9px;
    letter-spacing: 0.3em;
    opacity: 0.7;
}

.vault-progress-track {
    position: absolute;
    inset: -14px;
    pointer-events: none;
}

.vault-progress-svg {
    width: 100%;
    height: 100%;
    transform: rotate(90deg);
}

.vault-progress-bg {
    fill: none;
    stroke: oklch(0.5 0.05 75 / 0.18);
    stroke-width: 3;
}

.vault-progress-fg {
    fill: none;
    stroke: oklch(0.88 0.18 80);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 603;
    stroke-dashoffset: 603;
    filter: drop-shadow(0 0 6px oklch(0.85 0.18 80 / 0.9));
    transition: stroke-dashoffset 0.5s ease;
}

/* ====== Form ====== */
.vault-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.vault-headline h1 {
    font-size: clamp(26px, 4vw, 34px);
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(-180deg, oklch(0.98 0.04 85), oklch(0.78 0.12 75));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin: 0 0 8px;
}

.vault-headline p {
    margin: 0;
    font-size: 14px;
    line-height: 1.55;
    color: oklch(0.72 0.03 75);
}

.vault-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.vault-field-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.vault-field-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: oklch(0.78 0.06 78);
}

.vault-field-hint {
    font-size: 11px;
    color: oklch(0.65 0.03 75);
    letter-spacing: 0.1em;
}

.vault-input-wrap {
    direction: ltr;
    position: relative;
    display: flex;
    align-items: center;
    background: oklch(0.12 0.02 60 / 0.7);
    border: 1px solid oklch(0.55 0.08 75 / 0.25);
    border-radius: 14px;
    transition: border-color .2s, box-shadow .2s;
}

.vault-input-wrap:focus-within {
    border-color: oklch(0.82 0.15 80 / 0.7);
    box-shadow: 0 0 0 4px oklch(0.82 0.15 80 / 0.12);
}

.vault-input-icon {
    width: 18px;
    height: 18px;
    margin: 0 5px;
    color: oklch(0.78 0.1 78);
    flex-shrink: 0;
}

.vault-input {
    flex: 1;
    background: transparent;
    border: 0;
    outline: 0;
    padding: 14px 5px 14px 14px;
    color: oklch(0.96 0.02 85);
    font-size: 15px;
    font-family: inherit;
}

.vault-input::placeholder {
    color: oklch(0.55 0.03 75);
}

/* OTP */
.vault-otp {
    direction: ltr;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

.vault-otp-input {
    aspect-ratio: 1 / 1;
    width: 100%;
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    color: oklch(0.98 0.06 85);
    background: oklch(0.12 0.02 60 / 0.75);
    border: 1px solid oklch(0.55 0.08 75 / 0.25);
    border-radius: 12px;
    outline: 0;
    transition: all .2s;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.vault-otp-input:focus {
    border-color: oklch(0.85 0.18 80);
    box-shadow: 0 0 0 4px oklch(0.82 0.18 80 / 0.18), inset 0 0 14px oklch(0.85 0.18 80 / 0.15);
    transform: translateY(-2px);
}

.vault-otp-input.filled {
    background: linear-gradient(-180deg, oklch(0.32 0.1 80), oklch(0.2 0.05 70));
    border-color: oklch(0.82 0.15 80 / 0.6);
    box-shadow: inset 0 0 16px oklch(0.85 0.18 80 / 0.25);
}

.vault-otp-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.vault-message {
    font-size: 13px;
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid;
    background: oklch(0.18 0.02 60 / 0.6);
    display: none;
}

.vault-message.visible {
    display: block;
}

.vault-message[data-tone="error"] {
    color: oklch(0.85 0.16 30);
    border-color: oklch(0.6 0.18 30 / 0.5);
    background: oklch(0.3 0.1 30 / 0.25);
}

.vault-message[data-tone="info"] {
    color: oklch(0.92 0.1 80);
    border-color: oklch(0.7 0.12 80 / 0.5);
}

.vault-message[data-tone="success"] {
    color: oklch(0.92 0.16 145);
    border-color: oklch(0.6 0.18 145 / 0.5);
    background: oklch(0.3 0.1 145 / 0.25);
}

.vault-cta {
    position: relative;
    margin-top: 4px;
    padding: 0;
    border: 0;
    cursor: pointer;
    border-radius: 14px;
    background: linear-gradient(-180deg, oklch(0.92 0.16 82), oklch(0.62 0.18 60));
    color: oklch(0.18 0.03 60);
    font-family: inherit;
    font-weight: 700;
    letter-spacing: 0.05em;
    font-size: 15px;
    box-shadow: 0 0 0 1px oklch(0.95 0.1 80 / 0.35) inset,
    0 10px 30px -8px oklch(0.85 0.18 70 / 0.45),
    0 2px 0 oklch(0.4 0.1 60);
    transition: transform .15s, box-shadow .2s, filter .2s;
    width: 100%;
}

.vault-cta:hover:not(:disabled) {
    transform: translateY(-2px);
    filter: brightness(1.05);
    box-shadow: 0 0 0 1px oklch(0.95 0.1 80 / 0.5) inset,
    0 16px 40px -10px oklch(0.85 0.18 70 / 0.6),
    0 2px 0 oklch(0.4 0.1 60);
}

.vault-cta:active:not(:disabled) {
    transform: translateY(0);
}

.vault-cta:disabled {
    cursor: progress;
    opacity: 0.85;
}

.vault-cta-inner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 22px;
    width: 100%;
    text-transform: uppercase;
}

.vault-spinner {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid oklch(0.2 0.03 60 / 0.3);
    border-top-color: oklch(0.18 0.03 60);
    animation: vault-spin .8s linear infinite;
    display: inline-block;
}

@keyframes vault-spin {
    to {
        transform: rotate(-360deg);
    }
}

.vault-foot {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: oklch(0.65 0.03 75);
    margin-top: 4px;
}

.vault-foot-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: oklch(0.78 0.18 145);
    box-shadow: 0 0 8px oklch(0.78 0.18 145 / 0.7);
}

.vault-send-btn {
    margin: 0 0 0 6px;
    padding: 8px 14px;
    border-radius: 10px;
    border: 1px solid oklch(0.78 0.12 80 / 0.45);
    background: linear-gradient(-180deg, oklch(0.3 0.08 75 / 0.85), oklch(0.18 0.04 65 / 0.85));
    color: oklch(0.95 0.08 82);
    font-family: inherit;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: filter .2s, transform .15s, box-shadow .2s;
    flex-shrink: 0;
}

.vault-send-btn:hover:not(:disabled) {
    filter: brightness(1.15);
    box-shadow: 0 0 0 3px oklch(0.82 0.15 80 / 0.15);
}

.vault-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ====== Flip container ====== */
.vault-flip-outer {
    position: relative;
    perspective: 2400px;
    width: 100%;
    max-width: 880px;
}

.vault-flip-inner {
    position: relative;
    width: 100%;
    transition: transform 0.9s cubic-bezier(.6, .1, .2, 1);
    transform-style: preserve-3d;

    /* تغییرات جدید */
    display: grid;
}

.vault-flip-inner.flipped {
    transform: rotateY(-180deg);
}

.vault-card.vault-face {
    backface-visibility: hidden;
    width: 100%;

    /* تغییر جدید */
    grid-area: 1 / 1;
}

.vault-card.vault-face-front {
    position: relative;
    z-index: 2;
}

.vault-card.vault-face-back {
    /* حذف position: absolute و inset: 0 */
    z-index: 1;
    transform: rotateY(-180deg);
}

@media (prefers-reduced-motion: reduce) {
    .vault-flip-inner { transition: none; }
}

/* ====== QR toggle button (header) ====== */
.vault-qr-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 10px;
    border: 1px solid oklch(0.78 0.12 80 / 0.4);
    background: oklch(0.2 0.03 65 / 0.6);
    color: oklch(0.92 0.08 80);
    font-family: inherit;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    cursor: pointer;
    transition: filter .2s, box-shadow .2s;
}

.vault-qr-toggle-btn:hover {
    filter: brightness(1.15);
    box-shadow: 0 0 0 3px oklch(0.82 0.15 80 / 0.12);
}

/* ====== QR scan frame (replaces vault-door on the back face) ====== */
.vault-qr-frame {
    position: relative;
    width: 240px;
    height: 240px;
    border-radius: 22px;
    background: radial-gradient(circle at 35% 30%, oklch(0.2 0.03 65), oklch(0.12 0.02 60) 75%);
    box-shadow: inset 0 0 0 1px oklch(0.6 0.1 78 / 0.3),
    inset 0 0 40px oklch(0 0 0 / 0.5),
    0 20px 50px oklch(0 0 0 / 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.vault-qr-corner {
    position: absolute;
    width: 26px;
    height: 26px;
    border: 2px solid oklch(0.85 0.16 80 / 0.8);
}

.vault-qr-corner-tl { top: 14px; right: 14px; border-left: 0; border-bottom: 0; border-top-right-radius: 8px; }
.vault-qr-corner-tr { top: 14px; left: 14px; border-right: 0; border-bottom: 0; border-top-left-radius: 8px; }
.vault-qr-corner-bl { bottom: 14px; right: 14px; border-left: 0; border-top: 0; border-bottom-right-radius: 8px; }
.vault-qr-corner-br { bottom: 14px; left: 14px; border-right: 0; border-top: 0; border-bottom-left-radius: 8px; }

.vault-qr-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: oklch(0.6 0.05 78 / 0.7);
    text-align: center;
}

.vault-qr-placeholder-text {
    font-size: 11px;
    letter-spacing: 0.06em;
    max-width: 160px;
    line-height: 1.5;
}

.vault-qr-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 10px;
    background: oklch(0.98 0.005 85);
    padding: 10px;
}

/* ====== Button row (Generate / Check) ====== */
.vault-btn-row {
    display: flex;
    gap: 12px;
}

.vault-btn-row .vault-cta {
    width: auto;
    flex: 1;
}

.vault-cta-secondary {
    background: linear-gradient(-180deg, oklch(0.28 0.05 70), oklch(0.18 0.03 60));
    color: oklch(0.95 0.06 82);
    box-shadow: 0 0 0 1px oklch(0.6 0.08 75 / 0.35) inset,
    0 10px 24px -10px oklch(0 0 0 / 0.5);
}

.vault-cta-secondary:hover:not(:disabled) {
    filter: brightness(1.12);
}

@media (max-width: 560px) {
    .vault-btn-row {
        flex-direction: column;
    }
}