* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: #0f172a;
    min-height: 100vh;
    background:
        linear-gradient(rgba(245, 247, 250, 0.96), rgba(245, 247, 250, 0.96)),
        linear-gradient(to right, rgba(15, 23, 42, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(15, 23, 42, 0.05) 1px, transparent 1px);
    background-size: auto, 32px 32px, 32px 32px;
}

.wrapper {
    width: 100%;
    max-width: 980px;
    margin: 0 auto;
    padding: 60px 24px 24px;
}

.card {
    background: #ffffff;
    border: 1px solid #dbe2ea;
    border-radius: 16px;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.10);
    padding: 0 34px 34px;
    position: relative;
    overflow: hidden;
}

.header-band {
    height: 10px;
    width: 100%;
    margin: 0 -34px 28px;
    background: linear-gradient(90deg, #0f172a, #1d4ed8, #d4a017);
}

h1 {
    text-align: center;
    font-size: 2.2rem;
    margin: 0;
    color: #0f172a;
    font-weight: 800;
}

h2 {
    text-align: center;
    margin-top: 10px;
    margin-bottom: 28px;
    font-size: 1.5rem;
    color: #1d4ed8;
    font-weight: 700;
}

.info-box {
    background: linear-gradient(135deg, #eef4ff, #f8fbff);
    border-left: 6px solid #1d4ed8;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 28px;
    color: #1f2937;
    line-height: 1.5;
}

.info-box p {
    margin: 0 0 10px;
}

.info-box p:last-child {
    margin-bottom: 0;
}

.info-box span {
    color: #0f172a;
    font-weight: 700;
}

.flash-wrap {
    margin-bottom: 20px;
}

.flash {
    padding: 14px 16px;
    border-radius: 10px;
    margin-bottom: 12px;
    font-weight: 600;
    border: 1px solid transparent;
}

.flash.success {
    background: #ecfdf3;
    color: #166534;
    border-color: #bbf7d0;
}

.flash.error {
    background: #fef2f2;
    color: #991b1b;
    border-color: #fecaca;
}

.flash.warning {
    background: #fff7ed;
    color: #9a3412;
    border-color: #fed7aa;
}

.account-form {
    display: grid;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 8px;
    font-size: 1.05rem;
    font-weight: 700;
    color: #111827;
}

input {
    width: 100%;
    padding: 14px 15px;
    font-size: 1rem;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    background: #fcfdff;
    color: #111827;
}

input:focus {
    outline: none;
    border-color: #1d4ed8;
    box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.12);
    background: #ffffff;
}

button {
    width: 280px;
    padding: 14px 18px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #0f172a, #1e3a8a);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
}

button:hover {
    opacity: 0.96;
}

footer {
    text-align: center;
    color: #6b7280;
    font-size: 0.95rem;
    margin-top: 28px;
}