:root {
    --navy: #1A1851;
    --navy-dark: #121038;
    --navy-card: #1A1851;
    --navy-card-border: rgba(252, 179, 21, 0.28);
    --gold: #FCB315;
    --gold-hover: #E5A110;
    --white: #FFFFFF;
    --light-bg: #F8FAFC;
    --muted: #64748B;
    --muted-dark: #94A3B8;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    overflow-x: hidden;
    overflow-y: auto;
    color: var(--navy);
    background: var(--white);
    background-color: var(--white);
    font-family: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* Page */
.login-page {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    overflow: hidden;
    background: var(--white);
}

.login-row {
    position: relative;
    z-index: 1;
    display: flex !important;
    flex: 1 1 auto;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0 !important;
}

/* Hero Section (Left) - White Background */
.login-hero {
    position: relative;
    z-index: 2;
    padding: 3rem 4rem !important;
    background: transparent;
}

.login-brand {
    top: 40px;
    left: 50px;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 12px;
    width: fit-content;
    max-width: 100%;
    padding: 0;
    background: transparent;
}

.login-logo {
    width: 46px;
    height: 46px;
    object-fit: contain;
}

.login-brand-name {
    margin: 0;
    font-family: "Montserrat", sans-serif;
    font-size: 1.65rem;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.brand-campus {
    color: var(--navy);
}

.brand-hub {
    color: var(--gold);
}

.login-brand-name .brand-campus {
    color: var(--navy);
}

.login-brand-name .brand-hub {
    color: var(--gold);
}

.login-intro {
    max-width: 620px;
    margin-left: 5%;
}

.login-heading {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.02em;
    color: var(--navy);
}

.login-heading .brand-campus {
    color: var(--gold);
}

.login-highlight {
    display: inline-block;
    padding: 4px 18px;
    margin-top: 8px;
    color: var(--white);
    background-color: var(--navy);
    border-radius: 6px;
    box-shadow: none;
    font-weight: 700;
}

.login-copy {
    max-width: 480px;
    color: #475569;
    font-size: 1.15rem;
    line-height: 1.5;
}

/* Login Panel (Right) */
.login-panel {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem !important;
    background: transparent !important;
}

/* Login Card (NAVY BLUE) */
.login-card {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    width: 100%;
    max-width: 460px;
    min-height: auto;
    padding: 3rem 2.65rem 3.25rem;
    background: var(--navy);
    border: 1px solid var(--navy-card-border);
    border-radius: 12px;
    box-shadow: 0 24px 50px rgba(18, 16, 56, 0.35), 0 4px 16px rgba(0, 0, 0, 0.15);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.login-card:hover {
    box-shadow: 0 28px 56px rgba(18, 16, 56, 0.42), 0 6px 20px rgba(0, 0, 0, 0.2);
}

.login-header {
    margin-top: 0;
    margin-bottom: 2rem;
    text-align: center;
}

.login-title {
    margin-bottom: 6px;
    color: var(--white);
    font-size: 2.15rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-align: center;
}

.login-subtitle {
    margin-bottom: 0;
    color: var(--muted-dark);
    font-size: 0.92rem;
    text-align: center;
}

/* Error message inside card */
#errorMessage {
    background: rgba(239, 68, 68, 0.18) !important;
    border: 1px solid rgba(239, 68, 68, 0.45) !important;
    color: #FCA5A5 !important;
}

/* Form */
.login-form .form-label {
    margin-bottom: 6px;
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.username-field {
    margin-bottom: 1.35rem;
}

.password-field {
    margin-bottom: 1rem;
}

.login-form .input-group {
    overflow: hidden;
    background: #100E35;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.login-form .input-group:focus-within {
    background: #0B0A28;
    border-color: var(--gold) !important;
    box-shadow: 0 0 0 3px rgba(252, 179, 21, 0.35);
}

.login-form .input-group-text {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    padding: 0 0 0 16px;
    color: var(--gold);
    background: transparent !important;
    border: 0 !important;
}

.login-form .input-group-text svg {
    color: var(--gold);
}

.login-form .form-control {
    min-height: 52px;
    padding-left: 12px;
    color: #FFFFFF !important;
    background: transparent !important;
    border: 0 !important;
    font-size: 0.98rem;
    font-weight: 500;
    caret-color: var(--gold);
}

.login-form .form-control::placeholder {
    color: #8B9DB3;
}

.login-form .form-control:focus {
    box-shadow: none;
    color: #FFFFFF !important;
}

.login-form .input-group:focus-within .input-group-text svg {
    color: var(--gold);
}

/* Password */
.password-input {
    position: relative;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 8px;
    z-index: 6;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    color: #8B9DB3;
    cursor: pointer;
    background: transparent;
    border: 0;
    border-radius: 50%;
    transform: translateY(-50%);
    transition: color 0.15s ease;
}

.password-toggle:hover {
    color: var(--gold);
}

/* Options */
.login-options {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    align-items: center;
    justify-content: space-between;
    margin: 1rem 0 1.4rem;
}

.login-form .form-check-label {
    color: var(--white);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
}

.login-form .form-check-input {
    width: 1.05rem;
    height: 1.05rem;
    margin-top: 0.15rem;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.15);
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    border-radius: 4px;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.login-form .form-check-input:checked {
    background-color: var(--gold) !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23FFFFFF' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e") !important;
    border-color: var(--gold) !important;
}

.login-help {
    color: var(--gold);
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    transition: color 0.15s ease;
}

.login-help:hover {
    color: #FFD268;
    text-decoration: underline;
}

/* Submit button (Accent Gold on Navy Card) */
.login-form .login-button,
.login-button {
    --bs-btn-color: var(--navy);
    --bs-btn-bg: var(--gold);
    --bs-btn-border-color: var(--gold);
    --bs-btn-hover-color: var(--navy);
    --bs-btn-hover-bg: var(--gold-hover);
    --bs-btn-hover-border-color: var(--gold-hover);
    --bs-btn-focus-shadow-rgb: 252, 179, 21;
    --bs-btn-active-color: var(--navy);
    --bs-btn-active-bg: var(--gold-hover);
    --bs-btn-active-border-color: var(--gold-hover);
    --bs-btn-disabled-color: var(--navy);
    --bs-btn-disabled-bg: var(--gold-hover);
    --bs-btn-disabled-border-color: var(--gold-hover);
    position: relative;
    min-height: 50px;
    margin-top: 10px !important;
    color: var(--navy) !important;
    background: var(--gold) !important;
    background-color: var(--gold) !important;
    border: 1px solid var(--gold) !important;
    border-radius: 8px;
    font-size: 0.98rem;
    font-weight: 800;
    letter-spacing: 0.3px;
    transition: all 0.15s ease;
    box-shadow: none;
}

.login-form .login-button:hover:not(:disabled),
.login-button:hover:not(:disabled) {
    color: var(--navy) !important;
    background: var(--gold-hover) !important;
    background-color: var(--gold-hover) !important;
    border-color: var(--gold-hover) !important;
    box-shadow: 0 4px 16px rgba(252, 179, 21, 0.45) !important;
}

.login-form .login-button:focus,
.login-form .login-button:focus-visible,
.login-button:focus,
.login-button:focus-visible {
    color: var(--navy) !important;
    background: var(--gold-hover) !important;
    background-color: var(--gold-hover) !important;
    border-color: var(--gold-hover) !important;
    box-shadow: 0 0 0 3px rgba(252, 179, 21, 0.45) !important;
    outline: none !important;
}

.login-form .login-button:active,
.login-form .login-button:active:hover,
.login-form .login-button:active:focus,
.login-form .login-button:not(:disabled):active,
.login-button:active {
    color: var(--navy) !important;
    background: var(--gold-hover) !important;
    background-color: var(--gold-hover) !important;
    border-color: var(--gold-hover) !important;
    box-shadow: 0 2px 8px rgba(252, 179, 21, 0.35) !important;
    transform: translateY(0);
}

.button-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--navy) !important;
    transition: transform 0.2s ease, color 0.2s ease;
}

.login-button:hover .button-icon,
.login-button:focus .button-icon,
.login-button:active .button-icon {
    color: var(--navy) !important;
    transform: translateX(4px);
}

.login-form .login-button.loading,
.login-form .login-button.loading:disabled,
.login-form .login-button:disabled,
.login-button.loading,
.login-button:disabled {
    color: var(--navy) !important;
    background: var(--gold-hover) !important;
    background-color: var(--gold-hover) !important;
    border-color: var(--gold-hover) !important;
    opacity: 1 !important;
    transform: none;
    box-shadow: none !important;
}

.button-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(26, 24, 81, 0.3);
    border-top-color: var(--navy);
    border-radius: 50%;
    animation: login-spin 0.7s linear infinite;
}

.login-button.loading .button-label,
.login-button.loading .button-icon {
    display: none;
}

.login-button.loading .button-spinner {
    display: inline-block;
}

@keyframes login-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Entrance */
.login-enter {
    opacity: 0;
    will-change: opacity, transform;
    animation: login-enter 600ms 100ms ease-out forwards;
}

@keyframes login-enter {
    from {
        opacity: 0;
        transform: translateY(32px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .login-enter {
        opacity: 1;
        animation: none;
        transform: none;
    }
}

/* Responsive layout */
@media (min-width: 1200px) {
    .login-panel {
        justify-content: flex-end;
        padding-right: 5vw !important;
    }
}

@media (max-width: 991.98px) {
    .login-page {
        overflow-y: auto;
    }

    .login-row {
        flex-direction: column !important;
        min-height: 100vh;
        height: auto;
    }

    .login-hero {
        padding: 2rem 1.5rem !important;
        text-align: center;
    }

    .login-brand {
        position: relative !important;
        top: 0 !important;
        left: 0 !important;
        justify-content: center;
        margin-bottom: 2rem;
        margin-inline: auto;
    }

    .login-heading {
        font-size: 2.5rem;
    }

    .login-copy {
        margin: 0 auto;
        font-size: 1rem;
    }

    .login-panel {
        justify-content: center;
        padding: 1rem 1.25rem 2.5rem !important;
    }

    .login-card {
        max-width: 100%;
        padding: 2rem 1.5rem;
    }
}

/* ==========================================================================
   Single Theme Swap FAB (Right Bottom Corner - Like Mobile AuthThemeToggle)
   ========================================================================== */
.theme-switch-wrapper {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 1000;
}

.theme-toggle-fab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    cursor: pointer;
    border-radius: 50%;
    /* Light mode styling (like mobile AuthThemeToggle) */
    background-color: #FFFFFF;
    color: var(--navy);
    border: 1.5px solid rgba(26, 24, 81, 0.28);
    box-shadow: 0 4px 14px rgba(26, 24, 81, 0.16), 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle-fab:hover {
    color: var(--navy);
    background-color: #F8FAFC;
    border-color: var(--navy);
    transform: scale(1.08);
    box-shadow: 0 6px 18px rgba(26, 24, 81, 0.22);
}

.theme-toggle-fab:active {
    transform: scale(0.96);
}

.theme-toggle-fab svg {
    display: block;
    stroke-width: 2.2;
    transition: transform 0.25s ease;
}

/* Dark mode styling (like mobile AuthThemeToggle: _gold background, _gold border) */
html[data-theme="dark"] .theme-toggle-fab {
    background-color: var(--gold);
    color: var(--navy);
    border: 1.5px solid var(--gold);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45), 0 0 14px rgba(252, 179, 21, 0.35);
}

html[data-theme="dark"] .theme-toggle-fab:hover {
    background-color: #e5a214;
    border-color: #e5a214;
    color: var(--navy);
    transform: scale(1.08);
    box-shadow: 0 6px 22px rgba(0, 0, 0, 0.55), 0 0 18px rgba(252, 179, 21, 0.45);
}

/* ==========================================================================
   Dark Theme Layout Overrides
   ========================================================================== */
html[data-theme="dark"] body {
    color: var(--white);
    background-color: var(--navy);
}

html[data-theme="dark"] .login-page {
    background: var(--navy);
}

html[data-theme="dark"] .login-brand-name .brand-campus {
    color: var(--white);
}

html[data-theme="dark"] .login-intro .login-heading {
    color: var(--white);
}

html[data-theme="dark"] .login-intro .login-heading .brand-campus {
    color: var(--gold);
}

html[data-theme="dark"] .login-intro .login-highlight {
    color: var(--navy);
    background-color: var(--gold);
}

html[data-theme="dark"] .login-intro .login-copy {
    color: rgba(255, 255, 255, 0.78);
}

/* Dark mode login card: Clean crisp White card with Navy text */
html[data-theme="dark"] .login-card {
    background: var(--white);
    border: 1px solid rgba(26, 24, 81, 0.14);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.45), 0 4px 16px rgba(0, 0, 0, 0.2);
}

html[data-theme="dark"] .login-title {
    color: var(--navy);
}

html[data-theme="dark"] .login-subtitle {
    color: #64748B;
}

html[data-theme="dark"] .login-form .form-label {
    color: var(--navy);
}

html[data-theme="dark"] .login-form .input-group {
    background: #F8FAFC;
    border-color: #CBD5E1;
}

html[data-theme="dark"] .login-form .input-group:focus-within {
    background: #FFFFFF;
    border-color: var(--navy) !important;
    box-shadow: 0 0 0 3px rgba(26, 24, 81, 0.15);
}

html[data-theme="dark"] .login-form .input-group-text {
    color: var(--navy);
}

html[data-theme="dark"] .login-form .form-control {
    color: var(--navy) !important;
}

html[data-theme="dark"] .login-form .form-control::placeholder {
    color: #94A3B8;
}

html[data-theme="dark"] .password-toggle {
    color: #64748B;
}

html[data-theme="dark"] .password-toggle:hover {
    color: var(--gold);
}

html[data-theme="dark"] .form-check-label {
    color: #475569;
}

html[data-theme="dark"] .form-check-input {
    background-color: transparent;
    border: 1.5px solid var(--navy);
}

html[data-theme="dark"] .form-check-input:focus {
    border-color: var(--navy);
    box-shadow: 0 0 0 3px rgba(26, 24, 81, 0.2);
}

html[data-theme="dark"] .form-check-input:checked {
    background-color: var(--navy) !important;
    border-color: var(--navy) !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23FFFFFF' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e") !important;
}

html[data-theme="dark"] .login-help {
    color: var(--gold);
}

html[data-theme="dark"] .login-help:hover {
    color: #FFD268;
}

html[data-theme="dark"] .login-form .login-button,
html[data-theme="dark"] .login-button {
    --bs-btn-color: var(--navy);
    --bs-btn-bg: var(--gold);
    --bs-btn-border-color: var(--gold);
    --bs-btn-hover-color: var(--navy);
    --bs-btn-hover-bg: var(--gold-hover);
    --bs-btn-hover-border-color: var(--gold-hover);
    --bs-btn-focus-shadow-rgb: 252, 179, 21;
    --bs-btn-active-color: var(--navy);
    --bs-btn-active-bg: var(--gold-hover);
    --bs-btn-active-border-color: var(--gold-hover);
    --bs-btn-disabled-color: var(--navy);
    --bs-btn-disabled-bg: var(--gold-hover);
    --bs-btn-disabled-border-color: var(--gold-hover);
    color: var(--navy) !important;
    background: var(--gold) !important;
    background-color: var(--gold) !important;
    border-color: var(--gold) !important;
    box-shadow: none;
}

html[data-theme="dark"] .login-button .button-icon {
    color: var(--navy) !important;
}

html[data-theme="dark"] .login-form .login-button:hover:not(:disabled),
html[data-theme="dark"] .login-button:hover:not(:disabled) {
    color: var(--navy) !important;
    background: var(--gold-hover) !important;
    background-color: var(--gold-hover) !important;
    border-color: var(--gold-hover) !important;
    box-shadow: 0 4px 18px rgba(252, 179, 21, 0.45) !important;
}

html[data-theme="dark"] .login-form .login-button:focus,
html[data-theme="dark"] .login-form .login-button:focus-visible,
html[data-theme="dark"] .login-button:focus,
html[data-theme="dark"] .login-button:focus-visible {
    color: var(--navy) !important;
    background: var(--gold-hover) !important;
    background-color: var(--gold-hover) !important;
    border-color: var(--gold-hover) !important;
    box-shadow: 0 0 0 3px rgba(252, 179, 21, 0.45) !important;
    outline: none !important;
}

html[data-theme="dark"] .login-form .login-button:active,
html[data-theme="dark"] .login-form .login-button:active:hover,
html[data-theme="dark"] .login-form .login-button:active:focus,
html[data-theme="dark"] .login-form .login-button:not(:disabled):active,
html[data-theme="dark"] .login-button:active {
    color: var(--navy) !important;
    background: var(--gold-hover) !important;
    background-color: var(--gold-hover) !important;
    border-color: var(--gold-hover) !important;
    box-shadow: 0 2px 8px rgba(252, 179, 21, 0.35) !important;
    transform: translateY(0);
}

html[data-theme="dark"] .login-button:hover:not(:disabled) .button-icon,
html[data-theme="dark"] .login-button:focus .button-icon,
html[data-theme="dark"] .login-button:active .button-icon {
    color: var(--navy) !important;
    transform: translateX(4px);
}

html[data-theme="dark"] .login-form .login-button.loading,
html[data-theme="dark"] .login-form .login-button.loading:disabled,
html[data-theme="dark"] .login-button.loading,
html[data-theme="dark"] .login-button:disabled {
    color: var(--navy) !important;
    background: var(--gold-hover) !important;
    background-color: var(--gold-hover) !important;
    border-color: var(--gold-hover) !important;
    opacity: 1 !important;
    box-shadow: none !important;
}

html[data-theme="dark"] .button-spinner {
    border: 2.5px solid rgba(26, 24, 81, 0.3) !important;
    border-top-color: var(--navy) !important;
}

@media (max-width: 575.98px) {
    .theme-switch-wrapper {
        right: 16px;
        bottom: 16px;
    }

    .theme-toggle-fab {
        width: 40px;
        height: 40px;
    }
}