:root {
    --login-font: "Manrope", "Segoe UI", Arial, sans-serif;
    --login-bg: #0a2640;
    --login-bg-alt: #11395f;
    --login-bg-deep: #071b2e;
    --login-surface: rgba(191, 218, 240, 0.44);
    --login-surface-strong: #ffffff;
    --login-border: rgba(125, 173, 216, 0.26);
    --login-heading: #0f1724;
    --login-text: #2b3645;
    --login-muted: #6b7787;
    --login-primary: #2494ff;
    --login-primary-dark: #0f7de6;
    --login-primary-soft: rgba(31, 94, 255, 0.12);
    --login-shadow-lg: 0 42px 140px rgba(2, 6, 23, 0.52);
    --login-shadow-md: 0 18px 48px rgba(2, 6, 23, 0.22);
    --login-success: #12966a;
    --login-warning: #bf7b15;
    --login-danger: #d1435b;
}

html,
body {
    background:
        linear-gradient(135deg, var(--login-bg) 0%, var(--login-bg-alt) 52%, var(--login-bg-deep) 100%);
    color: var(--login-text);
    font-family: var(--login-font);
    min-height: 100%;
}

body,
input,
button,
select,
textarea,
.btn {
    font-family: var(--login-font);
}

.admin-login-body {
    margin: 0;
    min-height: 100vh;
}

.admin-login-shell {
    align-items: center;
    display: flex;
    justify-content: center;
    margin: 0 auto;
    max-width: 1440px;
    min-height: 100vh;
    padding: 0 18px;
    position: relative;
    z-index: 1;
}

.admin-login-background {
    background: linear-gradient(135deg, var(--login-bg) 0%, var(--login-bg-alt) 50%, var(--login-bg-deep) 100%);
    background-size: 180% 180%;
    inset: 0;
    overflow: hidden;
    position: fixed;
    z-index: 0;
    animation: loginGradientShift 18s ease infinite;
}

.admin-login-background::before {
    background:
        radial-gradient(circle at 20% 20%, rgba(18, 115, 186, 0.26), transparent 34%),
        radial-gradient(circle at 78% 24%, rgba(11, 57, 94, 0.36), transparent 38%),
        radial-gradient(circle at 62% 76%, rgba(7, 27, 46, 0.52), transparent 44%);
    content: "";
    inset: 0;
    position: absolute;
    animation: loginGradientFloat 24s ease-in-out infinite alternate;
}

.admin-login-background::after {
    background:
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.08), transparent 18%),
        radial-gradient(circle at 46% 54%, rgba(18, 115, 186, 0.18), transparent 24%),
        radial-gradient(circle at 56% 42%, rgba(239, 124, 0, 0.10), transparent 22%);
    content: "";
    filter: blur(18px);
    inset: -8%;
    opacity: 0.95;
    pointer-events: none;
    position: absolute;
}

.admin-login-background canvas {
    display: block;
    opacity: 1;
}

@keyframes loginGradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes loginGradientFloat {
    0% {
        transform: translate3d(0, 0, 0) scale(1);
    }
    100% {
        transform: translate3d(-2%, 2%, 0) scale(1.06);
    }
}

.admin-login-main {
    align-items: center;
    display: flex;
    justify-content: center;
    min-width: 0;
    padding: 8px 0;
    position: relative;
    width: 100%;
}

.admin-login-main::before {
    background:
        radial-gradient(circle at center, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0.08) 18%, rgba(18, 115, 186, 0.10) 36%, transparent 64%);
    content: "";
    height: 560px;
    left: 50%;
    pointer-events: none;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 560px;
    z-index: 0;
}

.admin-login-card {
    background:
        linear-gradient(180deg, rgba(198, 223, 245, 0.40) 0%, rgba(164, 199, 230, 0.24) 24%, rgba(124, 165, 205, 0.16) 100%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    backdrop-filter: blur(30px) saturate(180%);
    border-radius: 26px;
    box-shadow:
        var(--login-shadow-lg),
        inset 0 1px 0 rgba(255, 255, 255, 0.30),
        inset 1px 0 0 rgba(255, 255, 255, 0.12),
        inset -1px 0 0 rgba(255, 255, 255, 0.12);
    max-width: 520px;
    overflow: hidden;
    padding: 46px 30px 46px;
    position: relative;
    width: 100%;
    z-index: 1;
}

.admin-login-card::before {
    background:
        linear-gradient(155deg, rgba(255, 255, 255, 0.32) 0%, rgba(186, 217, 244, 0.14) 18%, rgba(118, 167, 214, 0.06) 46%, transparent 72%);
    content: "";
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    position: absolute;
}

.admin-login-card > * {
    position: relative;
    z-index: 1;
}

.admin-login-flash {
    margin-bottom: 18px;
}

.admin-login-flash .message,
.admin-login-flash .error-message,
.admin-login-flash .alert {
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 14px;
    box-shadow: none;
    margin: 0;
    padding: 14px 16px;
}

.admin-login-flash .success,
.admin-login-flash .alert-success {
    background: rgba(18, 150, 106, 0.1);
    border-color: rgba(18, 150, 106, 0.2);
    color: #0e7c58;
}

.admin-login-flash .error,
.admin-login-flash .error-message,
.admin-login-flash .alert-danger {
    background: rgba(122, 22, 36, 0.64);
    border-color: rgba(248, 113, 113, 0.38);
    color: #ffe5e8;
}

.admin-login-flash .warning,
.admin-login-flash .alert-warning {
    background: rgba(118, 68, 8, 0.66);
    border-color: rgba(251, 191, 36, 0.34);
    color: #fff2cf;
}

.admin-login-flash .error a,
.admin-login-flash .error-message a,
.admin-login-flash .alert-danger a,
.admin-login-flash .warning a,
.admin-login-flash .alert-warning a {
    color: #ffffff;
    text-decoration: underline;
}

.admin-login-flash .close {
    color: rgba(255, 255, 255, 0.72);
    opacity: 1;
    text-shadow: none;
}

.admin-login-panel {
    display: grid;
    gap: 8px;
}

.admin-login-form {
    display: grid;
    gap: 14px;
    margin: 0;
    width: 100%;
}

.admin-login-form__header {
    display: grid;
    gap: 0;
    width: 100%;
}

.admin-login-form__brand {
    display: flex;
    justify-content: center;
    margin: 0 0 2px;
}

.admin-login-form__step {
    color: rgba(255, 255, 255, 0.72);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.14em;
    margin-top: 8px;
    text-align: center;
    text-transform: uppercase;
}

.admin-login-form__account {
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
    line-height: 1.5;
    text-align: center;
}

.admin-login-form__account strong {
    color: #ffffff;
    font-weight: 800;
}

.admin-login-form__logo {
    display: block;
    height: auto;
    max-height: 62px;
    width: auto;
}

.admin-login-form__overline {
    color: var(--login-primary);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.admin-login-form__title {
    color: var(--login-heading);
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.08;
    margin: 0;
}

.admin-login-form__copy {
    color: var(--login-muted);
    font-size: 14px;
    line-height: 1.7;
    margin: 0;
}

.admin-login-form__fields {
    display: grid;
    gap: 14px;
    width: 100%;
}

.admin-login-field {
    display: grid;
    gap: 8px;
    width: 100%;
}

.admin-login-field__label {
    color: rgba(255, 255, 255, 0.96);
    display: block;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin: 0;
}

.admin-login-input {
    align-items: center;
    background: var(--login-surface-strong);
    border: 1px solid rgba(203, 213, 225, 0.96);
    border-radius: 14px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.78),
        0 8px 18px rgba(15, 23, 42, 0.06);
    display: grid;
    gap: 12px;
    grid-template-columns: 18px minmax(0, 1fr);
    min-height: 54px;
    padding: 0 16px;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
    width: 100%;
}

.admin-login-input:focus-within {
    border-color: rgba(31, 94, 255, 0.45);
    box-shadow: 0 0 0 4px rgba(31, 94, 255, 0.09);
    transform: translateY(-1px);
}

.admin-login-input__icon {
    color: #6f7f92;
    font-size: 15px;
    text-align: center;
}

.admin-login-input input {
    background: transparent;
    border: 0;
    box-shadow: none;
    color: #1f2937;
    font-size: 14px;
    font-weight: 600;
    height: 52px;
    outline: none;
    padding: 0;
    width: 100%;
}

.admin-login-input input::-webkit-input-placeholder {
    color: #94a3b8;
    font-weight: 500;
}

.admin-login-input input::-moz-placeholder {
    color: #94a3b8;
    font-weight: 500;
}

.admin-login-field__hint {
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
    line-height: 1.6;
}

.admin-login-form__actions {
    display: grid;
    gap: 14px;
    width: 100%;
    margin-top: 14px;
}

.admin-login-form__submit.btn {
    background: linear-gradient(135deg, var(--login-primary) 0%, #3c7bff 100%);
    border: 0;
    border-radius: 14px;
    box-shadow: 0 14px 26px rgba(31, 94, 255, 0.24);
    color: #ffffff;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.01em;
    min-height: 52px;
    padding: 14px 18px;
    transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
    width: 100%;
}

.admin-login-form__submit.btn:hover,
.admin-login-form__submit.btn:focus {
    background: linear-gradient(135deg, var(--login-primary-dark) 0%, #2d69f1 100%);
    color: #ffffff;
    opacity: 1;
    transform: translateY(-1px);
}

.admin-login-form__secondary {
    color: rgba(255, 255, 255, 0.84);
    display: block;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
}

.admin-login-form__secondary:hover,
.admin-login-form__secondary:focus {
    color: #ffffff;
    text-decoration: none;
}

.admin-login-form__footer {
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
    line-height: 1.65;
    text-align: center;
}

@media (max-width: 1200px) {
    .admin-login-shell {
        padding: 0 16px;
    }
}

@media (max-width: 991px) {
    .admin-login-shell {
        padding: 0 14px;
    }
}

@media (max-width: 575px) {
    .admin-login-shell {
        padding: 0 10px;
    }

    .admin-login-card {
        border-radius: 20px;
        padding: 28px 18px 8px;
    }

    .admin-login-form__title {
        font-size: 26px;
    }
}