.flash-container-auth {
    position: fixed;
    top: calc(18px + env(safe-area-inset-top, 0px));
    left: 50%;
    transform: translateX(-50%);
    z-index: 2030;
    display: grid;
    gap: 10px;
    justify-items: center;
    align-items: start;
    width: auto;
    max-width: min(92vw, 520px);
}
.flash {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 12px;
    box-shadow: 0 10px 24px rgba(0,0,0,0.14), 0 2px 8px rgba(0,0,0,0.08);
    width: fit-content;
    min-width: 240px;
    max-width: 100%;
    line-height: 1.45;
    font-size: 0.95rem;
    transform: translateY(-10px);
    opacity: 0;
    animation: flash-in-down 220ms ease-out forwards;
    word-wrap: break-word;
    overflow-wrap: anywhere;
    backdrop-filter: saturate(150%) blur(6px);
}
.flash-success { background: #57B657; border: 1px solid #57B657; color: #fff; }
.flash-error { background: #FF4747; border: 1px solid #FF4747; color: #fff; }
.flash-body { flex: 1 1 auto; text-align: center; }
@keyframes flash-in-down { from { transform: translateY(-10px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes flash-out { from { transform: translateY(0); opacity: 1; } to { transform: translateY(-8px); opacity: 0; } }

.auth-form-light {
    border-radius: 20px;
    box-shadow: 0 22px 44px rgba(25, 135, 84, 0.12), 0 8px 18px rgba(7, 16, 41, 0.08);
    background: linear-gradient(145deg, #ffffff 0%, #f4fdf8 100%);
}

.auth-form-light .input-group {
    border: 1px solid #d9e2f3;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: saturate(140%) blur(8px);
    overflow: hidden;
    transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.auth-form-light .input-group + .input-group {
    margin-top: 1rem;
}

.auth-form-light .input-group:focus-within {
    border-color: #198754;
    box-shadow: 0 0 0 4px rgba(25, 135, 84, 0.12);
    background: rgba(255, 255, 255, 0.97);
}

.auth-form-light .input-group-text {
    border: none;
    background: transparent;
    color: #4e5d7d;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 0.95rem;
    min-width: 48px;
}

.auth-form-light .input-group-text i {
    line-height: 1;
}

.auth-form-light .input-group-text.toggle-password {
    cursor: pointer;
    border-left: 1px solid rgba(76, 100, 141, 0.14);
    transition: color 160ms ease, background-color 160ms ease;
}

.auth-form-light .input-group-text.toggle-password:hover {
    background: rgba(25, 135, 84, 0.08);
    color: #198754;
}

.auth-form-light .form-control {
    border: none;
    background: transparent;
    font-size: 1rem;
    padding: 0.75rem 1rem;
    color: #2e3a59;
}

.auth-form-light .form-control:focus {
    box-shadow: none;
    background: transparent;
}

.auth-form-light .form-control::placeholder {
    color: #98a2c0;
}

.auth-form-light .auth-form-btn {
    border-radius: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.85rem 1.25rem;
    transition: transform 120ms ease, box-shadow 160ms ease;
}

.auth-form-light .auth-form-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 24px rgba(25, 135, 84, 0.24);
}

.auth-form-light .auth-form-btn:active {
    transform: translateY(0);
    box-shadow: 0 6px 14px rgba(25, 135, 84, 0.18);
}

.auth-form-light .font-weight-light a {
    font-weight: 600;
}

.profile-upload-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}

.profile-preview-container {
    position: relative;
    width: 140px;
    height: 140px;
    margin: 0 auto;
}

.profile-preview-img {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #e3e8f0;
    box-shadow: 0 8px 16px rgba(25, 135, 84, 0.12);
    transition: border-color 180ms ease, box-shadow 180ms ease;
}

.profile-upload-label {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #198754 0%, #146c43 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 3px solid #ffffff;
    box-shadow: 0 4px 12px rgba(25, 135, 84, 0.3);
    transition: transform 120ms ease, box-shadow 160ms ease;
    z-index: 10;
}

.profile-upload-label:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(25, 135, 84, 0.4);
}

.profile-upload-label:active {
    transform: scale(0.95);
}

.profile-upload-label i {
    color: #ffffff;
    font-size: 1.2rem;
}

.auth-form-light .form-control-lg {
    border: none;
    background: transparent;
}

.auth-form-light select.form-control-lg {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    padding-right: 2.5rem;
}

.content-wrapper.auth {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.content-wrapper.auth .row {
    display: flex;
    justify-content: center;
    width: 100%;
}

@media (max-width: 480px) {
    .flash { min-width: auto; width: auto; margin: 0 12px; padding: 10px 14px; font-size: 0.9rem; border-radius: 10px; box-sizing: border-box; }
    .flash-container-auth { left: 0; right: 0; transform: none; max-width: none; width: 100%; padding: 0; gap: 8px; }
    .content-wrapper.auth { padding: 1rem 0; min-height: 100vh; }
    .content-wrapper.auth .row { margin: 0; }
    .auth-form-light { max-width: 94%; padding: 1.25rem 1rem 1rem 1rem; border-radius: 18px; margin: 0 auto; }
    .auth-form-light .input-group { border-radius: 14px; }
    .auth-form-light h2 { font-size: 1.35rem; margin-bottom: 0.9rem; }
    .auth-form-light h4 { text-align: center; }
    .brand-logo { text-align: center; }
    .brand-logo img { max-width: 60px; }
    .profile-preview-container { width: 120px; height: 120px; }
    .profile-preview-img { width: 120px; height: 120px; border-width: 3px; }
    .profile-upload-label { width: 40px; height: 40px; border-width: 2px; }
    .profile-upload-label i { font-size: 1rem; }
    .form-group { margin-bottom: 1rem; }
    .input-group-text { padding: 0.6rem 0.75rem; font-size: 0.95rem; }
    .form-control-lg { padding: 0.6rem 0.75rem; font-size: 0.95rem; }
    .toggle-password { padding: 0.6rem 0.75rem; }
    .auth-form-btn { font-size: 0.95rem; padding: 0.7rem 1rem; margin-top: 1rem; }
}

@media (min-width: 481px) and (max-width: 768px) {
    .flash { width: auto; margin: 0 12px; padding: 12px 16px; box-sizing: border-box; }
    .flash-container-auth { left: 16px; right: 16px; transform: none; max-width: none; width: auto; }
    .content-wrapper.auth { padding: 1.5rem 0; }
    .auth-form-light { margin: 0 auto; }
}