@charset "utf-8";
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css");

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

body {
    font-family: 'Pretendard', sans-serif;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.8)), url(../images/login_bg.jpg) 0 100% no-repeat fixed;
    background-size: cover;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: #334155;
}

/* login container */
.mLogin1 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 820px;
    margin: 0 auto;
    gap: 50px;
    perspective: 1000px;
}

.mLogin1 .cell {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

/* Logo Section */
.mLogin1 h1 {
    flex: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: fadeInSlideLeft 0.8s ease-out;
}

.mLogin1 h1 img {
    max-width: 220px;
    height: auto;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.15));
    transition: transform 0.3s ease;
}

.mLogin1 h1 img:hover {
    transform: scale(1.05);
}

.mLogin1 h1 .tx {
    font-size: 26px;
    font-weight: 500;
    line-height: 1.3;
    text-align: center;
    color: #f1f5f9;
    margin-top: 15px;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Login Card Section */
.mLogin1 .login {
    flex: 1;
    max-width: 400px;
    width: 100%;
    padding: 40px 35px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    animation: fadeInSlideRight 0.8s ease-out;
}

.mLogin1 h2 {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.4;
    color: #0f172a;
    margin-bottom: 25px;
}

.mLogin1 h2 .ti {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: #2563eb;
    margin-bottom: 4px;
}

.mLogin1 fieldset {
    border: none;
    text-align: left;
}

.mLogin1 fieldset legend {
    display: none;
}

.mLogin1 fieldset dl {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mLogin1 fieldset dt {
    font-size: 13px;
    font-weight: 600;
    color: #475569;
    margin-bottom: -10px;
    padding-left: 2px;
}

.mLogin1 fieldset dd {
    margin: 0;
}

/* Inputs */
.mLogin1 fieldset dd .it {
    font-size: 15px;
    font-weight: 500;
    width: 100%;
    height: 48px;
    padding: 0 16px;
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    background-color: rgba(255, 255, 255, 0.8);
    color: #1e293b;
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mLogin1 fieldset dd .it:focus {
    border-color: #2563eb;
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.mLogin1 fieldset dd .it::placeholder {
    color: #94a3b8;
    font-weight: 400;
}

/* Save & Checkbox */
.mLogin1 fieldset .save {
    margin: 16px 0 0;
}

.mLogin1 fieldset .checkbox {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.mLogin1 fieldset .checkbox input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.mLogin1 fieldset .checkbox .label {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 500;
    color: #475569;
    padding-left: 28px;
    position: relative;
    transition: color 0.2s ease;
}

.mLogin1 fieldset .checkbox .label:before {
    content: "";
    position: absolute;
    left: 0;
    width: 20px;
    height: 20px;
    border: 2px solid #cbd5e1;
    border-radius: 6px;
    background-color: #fff;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.mLogin1 fieldset .checkbox .label:after {
    content: "";
    position: absolute;
    left: 7px;
    top: 3px;
    width: 6px;
    height: 11px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) scale(0);
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.mLogin1 fieldset .checkbox input:checked + .label {
    color: #2563eb;
}

.mLogin1 fieldset .checkbox input:checked + .label:before {
    background-color: #2563eb;
    border-color: #2563eb;
}

.mLogin1 fieldset .checkbox input:checked + .label:after {
    transform: rotate(45deg) scale(1);
}

/* Submit Button */
.mLogin1 fieldset .btn {
    display: block;
    width: 100%;
    height: 48px;
    line-height: 48px;
    text-align: center;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-top: 25px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
}

.mLogin1 fieldset .btn:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

.mLogin1 fieldset .btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.2);
}

/* Alert Area */
.mLogin1 .alertLayer {
    margin-top: 20px;
    animation: fadeIn 0.4s ease-out;
}

.mLogin1 .alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.4;
    background-color: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #dc2626;
}

.mLogin1 .alert ul {
    padding-left: 15px;
    margin: 0;
}

.mLogin1 .alert li {
    list-style-type: disc;
}

/* Keyframe Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInSlideLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInSlideRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Web Design */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }
    
    .mLogin1 {
        flex-direction: column;
        gap: 30px;
    }

    .mLogin1 .cell {
        flex-direction: column;
        gap: 25px;
    }

    .mLogin1 h1 {
        animation: fadeIn 0.8s ease-out;
    }

    .mLogin1 h1 .tx {
        font-size: 22px;
        margin-top: 10px;
    }

    .mLogin1 .login {
        padding: 30px 24px;
        max-width: 100%;
        animation: fadeIn 0.8s ease-out;
    }
}