/* หน้า Login หลังบ้าน e-appointment */
.ea-admin-login-body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    font-family: 'Sarabun', sans-serif;
    background: linear-gradient(145deg, #eff6ff 0%, #dbeafe 40%, #f0f9ff 100%);
    overflow: hidden;
    position: relative;
}

.ea-admin-login-scene {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    perspective: 900px;
}

.ea-admin-login-plane {
    position: absolute;
    inset: -20%;
    transform-style: preserve-3d;
    animation: ea-admin-login-tilt 28s ease-in-out infinite;
}

.ea-admin-login-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(56px);
    opacity: 0.6;
    transform-style: preserve-3d;
}

.ea-admin-login-orb--1 {
    width: 340px;
    height: 340px;
    top: 8%;
    left: 12%;
    background: radial-gradient(circle, #38bdf8 0%, transparent 68%);
    animation: ea-admin-login-float-a 22s ease-in-out infinite;
}

.ea-admin-login-orb--2 {
    width: 420px;
    height: 420px;
    right: 5%;
    bottom: 5%;
    background: radial-gradient(circle, #60a5fa 0%, transparent 70%);
    animation: ea-admin-login-float-b 26s ease-in-out infinite;
}

.ea-admin-login-orb--3 {
    width: 260px;
    height: 260px;
    top: 42%;
    left: 48%;
    background: radial-gradient(circle, #93c5fd 0%, transparent 72%);
    animation: ea-admin-login-float-c 20s ease-in-out infinite;
}

.ea-admin-login-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.35) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.35) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 0.35;
    transform: rotateX(58deg) translateZ(-120px) scale(1.4);
    transform-origin: center center;
    animation: ea-admin-login-grid 32s linear infinite;
}

@keyframes ea-admin-login-tilt {
    0%, 100% { transform: rotateX(8deg) rotateY(-6deg); }
    50% { transform: rotateX(14deg) rotateY(8deg); }
}

@keyframes ea-admin-login-float-a {
    0%, 100% { transform: translate3d(0, 0, 40px); }
    50% { transform: translate3d(30px, 24px, 80px); }
}

@keyframes ea-admin-login-float-b {
    0%, 100% { transform: translate3d(0, 0, 20px); }
    50% { transform: translate3d(-36px, -28px, 60px); }
}

@keyframes ea-admin-login-float-c {
    0%, 100% { transform: translate3d(0, 0, 50px) scale(1); }
    50% { transform: translate3d(-20px, 18px, 90px) scale(1.08); }
}

@keyframes ea-admin-login-grid {
    0% { background-position: 0 0; }
    100% { background-position: 48px 48px; }
}

.ea-admin-login-back {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 30;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.55rem 1rem;
    border-radius: 0.75rem;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(147, 197, 253, 0.8);
    color: #1d4ed8;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.12);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
}

.ea-admin-login-back:hover {
    background: #ffffff;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.18);
    transform: translateY(-1px);
    color: #1e40af;
}

.ea-admin-login-card {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 24rem;
    padding: 2rem 1.75rem;
    border-radius: 1.25rem;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow:
        0 20px 50px rgba(37, 99, 235, 0.12),
        0 1px 0 rgba(255, 255, 255, 0.8) inset;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.ea-admin-login-logo-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.ea-admin-login-logo {
    width: 5.5rem;
    height: 5.5rem;
    object-fit: contain;
    border-radius: 1rem;
}

.ea-admin-login-logo-fallback {
    width: 5.5rem;
    height: 5.5rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    background: linear-gradient(135deg, #38bdf8, #2563eb);
    color: #fff;
}

.ea-admin-login-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #475569;
    margin-bottom: 0.35rem;
}

.ea-admin-login-input {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 0.65rem;
    padding: 0.55rem 0.75rem;
    font-size: 0.9375rem;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.95);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.ea-admin-login-input:focus {
    outline: none;
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.25);
}

.ea-admin-login-hint {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    line-height: 1.45;
    color: #64748b;
}

.ea-admin-login-submit {
    width: 100%;
    margin-top: 0.25rem;
    padding: 0.7rem 1.25rem;
    border: none;
    border-radius: 0.875rem;
    font-size: 0.9375rem;
    font-weight: 700;
    font-family: inherit;
    color: #ffffff;
    cursor: pointer;
    background: linear-gradient(135deg, #38bdf8 0%, #2563eb 50%, #1d4ed8 100%);
    box-shadow:
        0 4px 16px rgba(37, 99, 235, 0.35),
        0 1px 0 rgba(255, 255, 255, 0.25) inset;
    transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
}

.ea-admin-login-submit:hover {
    transform: translateY(-2px);
    box-shadow:
        0 8px 24px rgba(37, 99, 235, 0.4),
        0 1px 0 rgba(255, 255, 255, 0.3) inset;
    filter: brightness(1.05);
}

.ea-admin-login-submit:active {
    transform: translateY(0);
}

.ea-admin-login-error {
    font-size: 0.875rem;
    color: #dc2626;
    background: #fef2f2;
    border-radius: 0.65rem;
    padding: 0.65rem 0.75rem;
    margin-bottom: 1rem;
}

.ea-admin-login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}