:root {
    --neu-canvas: #ebf0f7;
    --neu-card-bg: #ebf0f7;
    --neu-shadow-dark: #cad1de;
    --neu-shadow-light: #ffffff;
    --neu-text: #1e293b;
    --neu-muted: #64748b;
    --neu-blue: #0284c7;
    --neu-blue-dark: #0369a1;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--neu-canvas);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neu-text);
    padding: 20px;
}

.neu-login-wrapper {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 3D Embossed Neumorphic Card */
.neu-login-card {
    width: 100%;
    max-width: 440px;
    background: var(--neu-card-bg);
    border-radius: 28px;
    padding: 44px 36px;
    box-shadow: 18px 18px 36px var(--neu-shadow-dark),
                -18px -18px 36px var(--neu-shadow-light);
    border: 1px solid rgba(255, 255, 255, 0.7);
    position: relative;
    transition: all 0.3s ease;
}

/* 3D Embossed Icon Emblem */
.neu-emblem-box {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px auto;
    border-radius: 50%;
    background: var(--neu-card-bg);
    box-shadow: 8px 8px 16px var(--neu-shadow-dark),
                -8px -8px 16px var(--neu-shadow-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--neu-blue);
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.neu-emblem-box i {
    filter: drop-shadow(0 4px 6px rgba(2, 132, 199, 0.3));
}

.neu-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--neu-text);
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.neu-subtitle {
    font-size: 0.85rem;
    color: var(--neu-muted);
    margin-bottom: 28px;
}

/* 3D Inset Inputs */
.neu-input-wrap {
    position: relative;
    margin-bottom: 20px;
    text-align: left;
}

.neu-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: #334155;
    margin-bottom: 8px;
}

.neu-input-field {
    width: 100%;
    background: var(--neu-card-bg);
    border: none;
    outline: none;
    padding: 13px 18px 13px 44px;
    border-radius: 14px;
    font-size: 0.92rem;
    color: var(--neu-text);
    font-weight: 500;
    box-shadow: inset 4px 4px 8px var(--neu-shadow-dark),
                inset -4px -4px 8px var(--neu-shadow-light);
    transition: all 0.2s ease;
}

.neu-input-field:focus {
    box-shadow: inset 3px 3px 6px var(--neu-shadow-dark),
                inset -3px -3px 6px var(--neu-shadow-light),
                0 0 0 2px var(--neu-blue);
}

.neu-input-icon {
    position: absolute;
    left: 16px;
    bottom: 14px;
    color: var(--neu-muted);
    font-size: 0.95rem;
    pointer-events: none;
}

/* 3D Embossed Action Button */
.neu-btn-submit {
    width: 100%;
    padding: 14px;
    margin-top: 10px;
    border: none;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--neu-blue) 0%, var(--neu-blue-dark) 100%);
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 6px 6px 14px rgba(2, 132, 199, 0.4),
                -4px -4px 10px var(--neu-shadow-light);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.neu-btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 8px 8px 20px rgba(2, 132, 199, 0.5),
                -6px -6px 14px var(--neu-shadow-light);
    color: #ffffff;
}

.neu-btn-submit:active {
    transform: translateY(1px);
    box-shadow: inset 3px 3px 6px rgba(0, 0, 0, 0.3);
}

.neu-footer {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    font-size: 0.84rem;
    color: var(--neu-muted);
}

.neu-footer a {
    color: var(--neu-blue);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.2s ease;
}

.neu-footer a:hover {
    color: var(--neu-blue-dark);
    text-decoration: underline;
}