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

.signin-body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: linear-gradient(180deg, rgba(2,125,130,0.12), rgba(255,255,255,0));
}

/* ================= LAYOUT ================= */

.signin-layout {
    display: flex;
    min-height: 100vh;
}

/* ================= LEFT SIDE ================= */

.signin-left {
    flex: 0 0 50%;
    max-width: 50%;
    min-height: 100vh;
    background: linear-gradient(180deg, rgba(2,125,130,0.12), rgba(255,255,255,0));
    border-right: 1px solid rgba(2,125,130,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 64px;
    color: #083f42;
}

.intro-panel {
    max-width: 560px;
}

/* ================= LOGO BOX ================= */

.intro-logo-box {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 26px;
}

    .intro-logo-box img {
        width: 56px;
        height: 56px;
        object-fit: contain;
        background: #ffffff;
        padding: 6px;
        border-radius: 50%;
        border: 1px solid rgba(2,125,130,0.35);
    }

.intro-logo-text {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.5px;
    line-height: 1.2;
    color: #083f42;
}

    .intro-logo-text span {
        font-size: 11px;
        font-weight: 500;
        opacity: 0.75;
        color: #4b6f73;
    }

/* ================= BADGE ================= */

.intro-badge {
    display: inline-block;
    background: rgba(2,125,130,0.95);
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 18px;
}

/* ================= TITLE ================= */

.intro-title {
    font-size: 30px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 14px;
    color: #083f42;
}

/* ================= DESCRIPTION ================= */

.intro-desc {
    font-size: 15px;
    line-height: 1.7;
    color: #4b6f73;
    margin-bottom: 26px;
}

/* ================= FEATURE GRID ================= */

.intro-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 22px;
    margin-bottom: 28px;
}

.feature-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.feature-icon {
    font-size: 20px;
    background: rgba(2,125,130,0.12);
    color: #027d82;
    padding: 10px;
    border-radius: 12px;
}

.feature-title {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 2px;
    color: #083f42;
}

.feature-text {
    font-size: 13px;
    color: #4b6f73;
    line-height: 1.4;
}

/* ================= STATISTICS ================= */

.intro-stats {
    display: flex;
    gap: 18px;
    margin-bottom: 26px;
}

.stat-box {
    flex: 1;
    background: #ffffff;
    border: 1px solid rgba(2,125,130,0.25);
    border-radius: 16px;
    padding: 14px;
    text-align: center;
}

.stat-number {
    font-size: 22px;
    font-weight: 800;
    color: #027d82;
}

.stat-text {
    font-size: 12px;
    color: #4b6f73;
}

/* ================= CONTACT ================= */

.intro-contact {
    font-size: 13px;
    color: #4b6f73;
    line-height: 1.8;
}

/* ================= RIGHT SIDE ================= */

.signin-right {
    flex: 1 1 auto;
    min-height: 100vh;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

/* ================= LOGIN CARD ================= */

.signin-card {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    border-radius: 22px;
    padding: 34px 34px 28px;
    border: 1px solid rgba(2,125,130,0.25);
    box-shadow: 0 20px 45px rgba(2,125,130,0.18);
}

.signin-header {
    text-align: center;
    margin-bottom: 22px;
}

.signin-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
    color: #083f42;
}

.signin-subtitle {
    font-size: 13px;
    color: #4b6f73;
}

/* ================= FORM ================= */

.form-group-auth {
    margin-bottom: 18px;
}

    .form-group-auth label {
        display: block;
        font-size: 13px;
        color: #083f42;
        margin-bottom: 6px;
    }

.form-control-auth {
    width: 100%;
    height: 44px;
    border-radius: 8px;
    border: 1px solid rgba(2,125,130,0.35);
    padding: 0 12px;
    font-size: 14px;
    background: #ffffff;
}

    .form-control-auth:focus {
        outline: none;
        border-color: #027d82;
        box-shadow: 0 0 0 2px rgba(2,125,130,0.25);
    }

.form-extra {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    margin-bottom: 18px;
    color: #4b6f73;
}

.remember-label {
    display: flex;
    align-items: center;
    gap: 6px;
}

.link-small {
    color: #027d82;
    text-decoration: none;
}

/* ================= BUTTON ================= */

.btn-auth-login {
    width: 100%;
    height: 44px;
    border-radius: 8px;
    border: none;
    background: linear-gradient(135deg, #027d82, #03989b);
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

    .btn-auth-login:hover {
        filter: brightness(1.05);
    }

/* ================= FOOTER ================= */

.signin-footer {
    text-align: center;
    margin-top: 18px;
    font-size: 13px;
    color: #4b6f73;
}

    .signin-footer a {
        color: #027d82;
        font-weight: 600;
        text-decoration: none;
    }

/* ================= VALIDATION ================= */

.invalid-feedback {
    font-size: 12px;
    color: #dc3545;
    margin-top: 4px;
}

/* ================= RESPONSIVE ================= */

@media (max-width: 992px) {
    .signin-layout {
        flex-direction: column;
    }

    .signin-left {
        max-width: 100%;
        padding: 40px 20px;
        text-align: center;
        border-right: none;
        border-bottom: 1px solid rgba(2,125,130,0.25);
    }

    .intro-features-grid {
        grid-template-columns: 1fr;
    }

    .intro-stats {
        flex-direction: column;
    }

    .signin-right {
        padding: 24px 16px;
    }

    .intro-logo-box {
        justify-content: center;
    }
}