:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --sidebar: #111827;
    --text: #111827;
    --text-light: #6b7280;
    --border: #dbe1ea;
    --background: #f3f6fb;
    --white: #ffffff;
    --danger: #dc2626;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--background);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
}

.login-page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
}

.login-presentation {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 70px;
    color: white;
    background:
        radial-gradient(
            circle at 15% 20%,
            rgba(124, 58, 237, 0.35),
            transparent 30%
        ),
        radial-gradient(
            circle at 80% 75%,
            rgba(6, 182, 212, 0.28),
            transparent 32%
        ),
        linear-gradient(145deg, #0f172a, #111827 55%, #172554);
}

.login-presentation::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(
            rgba(255, 255, 255, 0.025) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.025) 1px,
            transparent 1px
        );
    background-size: 42px 42px;
}

.presentation-content {
    position: relative;
    z-index: 1;
    max-width: 610px;
}

.presentation-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 75px;
}

.presentation-brand img {
    width: 68px;
    height: 68px;
    object-fit: contain;
    border-radius: 16px;
    background: white;
    padding: 5px;
}

.presentation-brand div {
    display: flex;
    flex-direction: column;
}

.presentation-brand strong {
    font-size: 28px;
    letter-spacing: 1.5px;
}

.presentation-brand span {
    color: #22d3ee;
    font-size: 15px;
    font-weight: 700;
}

.presentation-content h1 {
    max-width: 580px;
    margin: 0 0 20px;
    font-size: clamp(38px, 4.6vw, 62px);
    line-height: 1.08;
}

.presentation-content > p {
    max-width: 520px;
    margin: 0;
    color: #cbd5e1;
    font-size: 18px;
    line-height: 1.7;
}

.presentation-features {
    margin-top: 55px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.presentation-features div {
    display: flex;
    align-items: center;
    gap: 14px;
    color: #e2e8f0;
}

.presentation-features i {
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    background: rgba(255, 255, 255, 0.07);
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #67e8f9;
    font-size: 19px;
}

.login-form-section {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 45px;
    background: white;
}

.login-card {
    width: 100%;
    max-width: 460px;
}

.login-mobile-brand {
    display: none;
}

.login-heading {
    margin-bottom: 32px;
}

.login-label {
    color: var(--primary);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.5px;
}

.login-heading h2 {
    margin: 9px 0 7px;
    font-size: 31px;
}

.login-heading p {
    margin: 0;
    color: var(--text-light);
    line-height: 1.5;
}

.login-alert {
    margin-bottom: 22px;
    padding: 14px;
    border: 1px solid #fecaca;
    background: #fef2f2;
    color: var(--danger);
    border-radius: 11px;
    display: flex;
    align-items: flex-start;
    gap: 11px;
}

.login-alert i {
    margin-top: 2px;
}

.login-alert div {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.login-alert span {
    font-size: 13px;
}

.form-group-login {
    margin-bottom: 20px;
}

.form-group-login label {
    display: inline-block;
    margin-bottom: 8px;
    color: #374151;
    font-size: 13px;
    font-weight: 700;
}

.input-login {
    height: 52px;
    border: 1px solid var(--border);
    background: #f9fafb;
    border-radius: 11px;
    display: flex;
    align-items: center;
    padding: 0 15px;
    gap: 11px;
    transition: 0.2s ease;
}

.input-login:focus-within {
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.input-login > i {
    color: #9ca3af;
    font-size: 18px;
}

.input-login input {
    width: 100%;
    height: 100%;
    border: none;
    outline: none;
    background: transparent;
    color: var(--text);
    font-size: 14px;
}

.show-password {
    border: none;
    background: transparent;
    color: #6b7280;
    font-size: 17px;
    cursor: pointer;
}

.login-options {
    margin: 3px 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.remember-option {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 13px;
    cursor: pointer;
}

.remember-option input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.login-button {
    width: 100%;
    height: 52px;
    border: none;
    background: var(--primary);
    color: white;
    border-radius: 11px;
    padding: 0 18px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.2s ease;
}

.login-button:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.22);
}

.login-footer {
    margin-top: 34px;
    padding-top: 18px;
    border-top: 1px solid #edf0f4;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #9ca3af;
    font-size: 12px;
}

@media (max-width: 960px) {
    .login-page {
        grid-template-columns: 1fr;
    }

    .login-presentation {
        display: none;
    }

    .login-form-section {
        min-height: 100vh;
        padding: 28px;
    }

    .login-mobile-brand {
        margin-bottom: 40px;
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .login-mobile-brand img {
        width: 52px;
        height: 52px;
        object-fit: contain;
        border-radius: 12px;
        background: white;
        border: 1px solid var(--border);
        padding: 4px;
    }

    .login-mobile-brand strong {
        font-size: 19px;
    }
}

@media (max-width: 480px) {
    .login-form-section {
        align-items: flex-start;
        padding: 25px 20px;
    }

    .login-heading h2 {
        font-size: 27px;
    }
}