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

body {
    min-height: 100vh;
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 30%, #6ee7b7 65%, #34d399 100%);
    background-attachment: fixed;
    display: flex;
    flex-direction: column;
}

/* ── subtle mesh overlay ── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(255,255,255,0.45) 0%, transparent 55%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.30) 0%, transparent 55%);
    pointer-events: none;
    z-index: 0;
}

/* ── Navbar ── */
.v-navbar {
    position: relative;
    z-index: 10;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(34, 197, 94, 0.25);
    padding: 0.85rem 0;
}
.v-navbar a { display: inline-block; }
.v-navbar img {
    height: 56px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.4));
    transition: transform 0.25s ease, filter 0.25s ease;
}
.v-navbar img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 14px rgba(0,0,0,0.5));
}

/* ── Page center wrapper ── */
.v-main {
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1rem;
}

/* ── Frosted-glass card ── */
.v-card {
    width: 100%;
    max-width: 560px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.70);
    border-radius: 22px;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.90);
    overflow: hidden;
}

/* ── green accent bar ── */
.v-card-top {
    height: 5px;
    background: linear-gradient(90deg, #22c55e, #16a34a, #15803d);
}

.v-card-body { padding: 2.5rem 2.75rem 2.75rem; }

/* ── Page heading ── */
.v-heading {
    text-align: center;
    margin-bottom: 1.75rem;
}
.v-heading .v-icon-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: linear-gradient(135deg, #16a34a, #22c55e);
    box-shadow: 0 4px 18px rgba(34,197,94,0.40);
    margin-bottom: 0.85rem;
}
.v-heading .v-icon-wrap i { color: #fff; font-size: 1.4rem; }
.v-heading h1 {
    font-size: 1.35rem;
    font-weight: 800;
    color: #14532d;
    letter-spacing: 0.03em;
    text-shadow: none;
    margin-bottom: 0.25rem;
}
.v-heading p {
    font-size: 0.8rem;
    color: #4b7a5e;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* ── Notice banner ── */
.v-notice {
    background: #fff5f5;
    border: 1px solid #fecaca;
    border-left: 4px solid #ef4444;
    border-radius: 12px;
    padding: 1.1rem 1.35rem;
    margin-bottom: 1.75rem;
}
.v-notice-title {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: #b91c1c;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.55rem;
}
.v-notice p {
    font-size: 0.84rem;
    color: #6b2020;
    line-height: 1.65;
}
.v-notice p span {
    font-weight: 700;
    color: #b91c1c;
}

/* ── Divider ── */
.v-divider {
    height: 1px;
    background: rgba(34,197,94,0.20);
    margin: 1.5rem 0;
}

/* ── Input section ── */
.v-field-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: #15803d;
    margin-bottom: 0.55rem;
}
.v-input-wrap {
    position: relative;
    margin-bottom: 1.75rem;
}
.v-input-icon {
    position: absolute;
    left: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #16a34a;
    font-size: 1rem;
    pointer-events: none;
}
.v-input {
    width: 100%;
    padding: 0.9rem 1.1rem 0.9rem 2.9rem;
    font-size: 1.3rem;
    font-weight: 700;
    font-family: 'Inter', monospace;
    letter-spacing: 0.15em;
    text-align: center;
    text-transform: uppercase;
    background: #ffffff;
    border: 1.5px solid #d1d5db;
    border-radius: 12px;
    color: #111827;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.v-input::placeholder {
    color: #9ca3af;
    letter-spacing: 0.10em;
    font-weight: 500;
}
.v-input:focus {
    border-color: #16a34a;
    box-shadow: 0 0 0 4px rgba(22,163,74,0.18);
    background: #f0fdf4;
}

/* ── Buttons ── */
.v-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    width: 100%;
    padding: 0.9rem 1.5rem;
    border-radius: 12px;
    border: none;
    font-family: 'Inter', sans-serif;
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: all 0.22s ease;
}
.v-btn-primary {
    background: linear-gradient(135deg, #16a34a, #22c55e);
    color: #fff;
    box-shadow: 0 4px 18px rgba(34,197,94,0.35);
    margin-bottom: 0.75rem;
}
.v-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 26px rgba(34,197,94,0.50);
    background: linear-gradient(135deg, #15803d, #16a34a);
}
.v-btn-primary:disabled {
    background: #d1d5db;
    color: #9ca3af;
    box-shadow: none;
    cursor: not-allowed;
}
.v-btn-secondary {
    background: rgba(255, 255, 255, 0.60);
    color: #374151;
    border: 1.5px solid rgba(34,197,94,0.30);
    font-size: 0.80rem;
}
.v-btn-secondary:hover {
    background: #ffffff;
    border-color: #16a34a;
    color: #14532d;
    transform: translateY(-1px);
}

/* ── Footer ── */
.v-footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 1rem;
    font-size: 0.72rem;
    color: rgba(20, 83, 45, 0.55);
    letter-spacing: 0.04em;
}

/* preserve existing uppercase helper */
.uppercase-input { text-transform: uppercase; }