/* UALC-EAMS Login Page Redesign */
:root {
    --ualc-blue: #1f5fbf;
    --ualc-blue-dark: #173f87;
    --ualc-gold: #f5c542;
    --ualc-text: #17233c;
    --ualc-muted: #6b7280;
    --ualc-border: #d8e1f0;
    --ualc-soft: #f6f8fc;
    --ualc-white: #ffffff;
    --ualc-shadow: 0 26px 70px rgba(15, 35, 76, 0.16);
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    color: var(--ualc-text);
    background: var(--ualc-soft);
}

body {
    overflow-x: hidden;
}

.login-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(420px, 60%) minmax(360px, 40%);
    background: var(--ualc-white);
}

.brand-panel {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    background: #071232;
}

.login-bg-slider {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    background: #071232;
}

.login-bg-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    animation: ualcLoginPhotoSlide 12s infinite ease-in-out;
    transform: scale(1.04);
    will-change: opacity, transform;
}

.login-bg-slide.slide-one {
    background-image: url('../images/login-campus-1.jpg');
}

.login-bg-slide.slide-two {
    background-image: url('../images/login-campus-2.jpg');
    animation-delay: 6s;
}

.brand-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(90deg, rgba(4, 14, 42, 0.74), rgba(11, 47, 103, 0.42)),
        radial-gradient(circle at 18% 20%, rgba(245, 197, 66, 0.22), transparent 26%),
        linear-gradient(180deg, rgba(10, 32, 76, 0.12), rgba(5, 16, 38, 0.42));
    pointer-events: none;
}

.brand-content {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(34px, 5vw, 86px);
}

.logo-strip {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 34px;
}

.logo-strip img,
.login-logo-pair img {
    width: 62px;
    height: 62px;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.74);
    border-radius: 50%;
    padding: 7px;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.18);
}

.brand-copy {
    max-width: 760px;
    color: #ffffff;
}

.eyebrow {
    margin: 0 0 14px;
    font-size: 0.88rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ualc-gold);
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.brand-copy h1 {
    margin: 0;
    max-width: 880px;
    font-size: clamp(2.6rem, 5.6vw, 5.8rem);
    line-height: 0.96;
    font-weight: 900;
    letter-spacing: -0.055em;
    text-transform: uppercase;
    text-shadow: 0 7px 25px rgba(0, 0, 0, 0.28);
}

.system-description {
    max-width: 720px;
    margin: 26px 0 0;
    font-size: clamp(1rem, 1.45vw, 1.18rem);
    line-height: 1.55;
    font-weight: 650;
    color: rgba(255, 255, 255, 0.93);
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.34);
}


.brand-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 28px;
    padding: 15px 28px;
    min-width: 290px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--ualc-blue), var(--ualc-blue-dark));
    color: #ffffff;
    font-size: 0.98rem;
    font-weight: 800;
    box-shadow: 0 18px 40px rgba(15, 62, 141, 0.34);
}

@keyframes ualcLoginPhotoSlide {
    0% {
        opacity: 0;
        transform: scale(1.04) translateX(1.5%);
    }
    8% {
        opacity: 1;
    }
    42% {
        opacity: 1;
        transform: scale(1.09) translateX(-1.5%);
    }
    50%, 100% {
        opacity: 0;
        transform: scale(1.1) translateX(-3%);
    }
}

@media (prefers-reduced-motion: reduce) {
    .login-bg-slide {
        animation: none;
    }

    .login-bg-slide.slide-one {
        opacity: 1;
        transform: none;
    }
}

.form-panel {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 72px 42px 46px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 248, 252, 0.95));
}

.mini-nav {
    position: absolute;
    top: 28px;
    right: 28px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #64748b;
    font-size: 0.86rem;
    font-weight: 700;
}

.mini-nav span,
.mini-nav strong {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 6px 10px;
    border-radius: 8px;
    white-space: nowrap;
}

.mini-nav span:first-child {
    color: var(--ualc-blue);
    background: #eef5ff;
    border: 1px solid #cfe0ff;
}

.mini-nav strong {
    color: #ffffff;
    background: var(--ualc-blue);
    box-shadow: 0 8px 18px rgba(31, 95, 191, 0.18);
}

.login-card {
    width: min(100%, 430px);
    background: var(--ualc-white);
    border: 1px solid rgba(216, 225, 240, 0.88);
    border-radius: 24px;
    padding: 38px 36px 34px;
    box-shadow: var(--ualc-shadow);
}

.login-brand {
    margin-bottom: 24px;
}

.login-logo-pair {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.login-logo-pair img {
    width: 58px;
    height: 58px;
    background: #ffffff;
    border-color: #e5edf8;
    box-shadow: 0 12px 24px rgba(31, 95, 191, 0.14);
}

.login-brand h2 {
    margin: 0 0 8px;
    color: var(--ualc-blue-dark);
    font-size: 2rem;
    font-weight: 500;
    letter-spacing: -0.03em;
}

.login-brand p {
    margin: 0;
    color: #344563;
    font-size: 0.97rem;
    line-height: 1.45;
}

.alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 14px;
    margin-bottom: 18px;
    border-radius: 12px;
    font-size: 0.92rem;
    font-weight: 700;
}

.alert-danger {
    color: #8a1f2d;
    background: #fff1f2;
    border: 1px solid #fecdd3;
}

.field-label {
    display: block;
    margin: 15px 0 8px;
    color: #334155;
    font-size: 0.88rem;
    font-weight: 800;
}

.input-group {
    position: relative;
}

.field-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    opacity: 0.72;
    z-index: 1;
}

.input-group input {
    width: 100%;
    min-height: 52px;
    padding: 14px 48px 14px 44px;
    border: 1px solid var(--ualc-border);
    border-radius: 10px;
    background: #ffffff;
    color: var(--ualc-text);
    font-size: 0.98rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.input-group input:focus {
    border-color: var(--ualc-blue);
    box-shadow: 0 0 0 4px rgba(31, 95, 191, 0.11);
    transform: translateY(-1px);
}

.toggle-password {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 9px;
    background: transparent;
    color: var(--ualc-blue);
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.2s ease, transform 0.2s ease;
}

.toggle-password:hover {
    background: #eef5ff;
}

.form-note {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin: 14px 0 22px;
    color: #475569;
    font-size: 0.88rem;
}

.form-note strong {
    color: var(--ualc-blue);
}

.login-button {
    width: 100%;
    min-height: 56px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--ualc-blue), var(--ualc-blue-dark));
    color: #ffffff;
    font-size: 1rem;
    font-weight: 900;
    cursor: pointer;
    box-shadow: 0 16px 34px rgba(31, 95, 191, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(31, 95, 191, 0.32);
    filter: brightness(1.03);
}

.footer-note {
    position: absolute;
    bottom: 26px;
    left: 0;
    right: 0;
    margin: 0;
    text-align: center;
    color: #8a94a6;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

@media (max-width: 980px) {
    .login-shell {
        grid-template-columns: 1fr;
    }

    .brand-panel {
        min-height: 44vh;
    }

    .brand-content {
        min-height: 44vh;
        padding: 42px 28px;
    }

    .brand-copy h1 {
        font-size: clamp(2rem, 9vw, 3.6rem);
    }

    .form-panel {
        min-height: auto;
        padding: 86px 20px 72px;
    }

    .mini-nav {
        top: 18px;
        left: 20px;
        right: 20px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .footer-note {
        bottom: 18px;
    }
}

@media (max-width: 560px) {
    .brand-panel {
        min-height: 42vh;
    }

    .logo-strip img {
        width: 50px;
        height: 50px;
    }

    .system-description {
        font-size: 0.94rem;
    }

    .brand-pill {
        width: 100%;
        min-width: auto;
        padding: 13px 16px;
        font-size: 0.86rem;
    }

    .login-card {
        padding: 28px 22px;
        border-radius: 20px;
    }

    .login-brand h2 {
        font-size: 1.72rem;
    }

    .form-note {
        display: block;
        line-height: 1.55;
    }

    .mini-nav span:nth-child(2),
    .mini-nav span:nth-child(3) {
        display: none;
    }
}

/* UALC-EAMS Login Loading Overlay */
.ualc-loader-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(15, 23, 42, 0.48);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 99999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
}

.ualc-loader-overlay.show {
    opacity: 1;
    pointer-events: all;
}

.ualc-loader-card {
    width: min(92vw, 380px);
    position: relative;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 22px;
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.28);
    padding: 34px 30px 28px;
    text-align: center;
    transform: translateY(10px) scale(0.98);
    transition: transform 0.22s ease;
}

.ualc-loader-overlay.show .ualc-loader-card {
    transform: translateY(0) scale(1);
}

.ualc-loader-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 5px;
    background: linear-gradient(90deg, #1d4ed8, #2f80ed, #14b8a6);
}

.ualc-loader-mark {
    width: 62px;
    height: 62px;
    margin: 0 auto 16px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1d4ed8 0%, #2f80ed 100%);
    color: #ffffff;
    font-size: 26px;
    box-shadow: 0 14px 30px rgba(47, 128, 237, 0.28);
}

.ualc-loader-spinner {
    width: 42px;
    height: 42px;
    margin: 0 auto 14px;
    border-radius: 50%;
    border: 4px solid #dbeafe;
    border-top-color: #1d4ed8;
    animation: ualcSpin 0.85s linear infinite;
}

.ualc-loader-card h3 {
    margin: 0 0 8px;
    color: #0f2f5f;
    font-size: 1.25rem;
    letter-spacing: 0.02em;
}

.ualc-loader-card p {
    margin: 0;
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.45;
}

.ualc-loader-progress {
    height: 6px;
    margin-top: 22px;
    overflow: hidden;
    background: #e8eef7;
    border-radius: 999px;
}

.ualc-loader-progress span {
    display: block;
    width: 40%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #1d4ed8, #2f80ed, #14b8a6);
    animation: ualcProgress 1.15s ease-in-out infinite;
}

body.ualc-loading-active {
    cursor: progress;
}

@keyframes ualcSpin {
    to { transform: rotate(360deg); }
}

@keyframes ualcProgress {
    0% { transform: translateX(-120%); }
    50% { transform: translateX(90%); }
    100% { transform: translateX(260%); }
}


/* Full UX Fix: force login loading overlay visibility */
.ualc-loader-overlay {
    position: fixed !important;
    inset: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 24px !important;
    background: rgba(15, 23, 42, 0.52) !important;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 2147483000 !important;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.22s ease, visibility 0.22s ease;
}
.ualc-loader-overlay.show {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: all !important;
}
.ualc-loader-card {
    width: min(92vw, 390px);
    position: relative;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 22px;
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.30);
    padding: 34px 30px 28px;
    text-align: center;
}
.sound-test-btn {
    background: #ffffff !important;
    color: #1d4ed8 !important;
    border: 1px solid #bfdbfe !important;
}
.sound-test-btn:hover {
    background: #eff6ff !important;
}


/* Required field warnings and inline validation */
.ualc-validation-alert {
    margin: 0 0 18px 0;
    padding: 14px 16px;
    border-radius: 12px;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    color: #9a3412;
    font-size: 0.92rem;
    font-weight: 700;
    box-shadow: 0 10px 24px rgba(154, 52, 18, 0.08);
}

.ualc-validation-alert > div {
    display: flex;
    align-items: center;
    gap: 9px;
}

.ualc-validation-alert i {
    color: #ea580c;
}

.ualc-validation-alert ul {
    margin: 9px 0 0 28px;
    padding: 0;
    font-weight: 600;
    line-height: 1.45;
}

.ualc-field-invalid {
    border-color: #dc2626 !important;
    background: #fff7f7 !important;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12) !important;
}

.field-error-message {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 7px;
    color: #b91c1c;
    font-size: 0.82rem;
    font-weight: 700;
    line-height: 1.35;
}

.field-error-message i {
    color: #dc2626;
}

.alert-warning {
    background: #fff7ed;
    color: #9a3412;
    border: 1px solid #fed7aa;
}

/* UALC-EAMS system-based confirmation prompt */
.ualc-system-prompt {
    position: fixed;
    inset: 0;
    z-index: 2147483600;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.22s ease, visibility 0.22s ease;
}

.ualc-system-prompt.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.ualc-system-prompt-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.66);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.ualc-system-prompt-card {
    position: relative;
    width: min(92vw, 430px);
    background: #ffffff;
    border-radius: 22px;
    border: 1px solid rgba(226, 232, 240, 0.92);
    box-shadow: 0 26px 80px rgba(2, 6, 23, 0.34);
    padding: 30px 28px 24px;
    text-align: center;
    transform: translateY(12px) scale(0.98);
    transition: transform 0.24s ease;
    overflow: hidden;
}

.ualc-system-prompt.show .ualc-system-prompt-card {
    transform: translateY(0) scale(1);
}

.ualc-system-prompt-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 7px;
    background: linear-gradient(90deg, #082f63 0%, #0f4c81 52%, #d4af37 100%);
}

.ualc-system-prompt-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    border-radius: 22px;
    display: grid;
    place-items: center;
    background: #eaf3ff;
    color: #0f4c81;
    font-size: 2.15rem;
    box-shadow: inset 0 0 0 1px #bfdbfe;
}


.ualc-system-prompt.prompt-warning .ualc-system-prompt-icon {
    background: #fff7ed;
    color: #c2410c;
    box-shadow: inset 0 0 0 1px #fed7aa;
}

.ualc-system-prompt.prompt-danger .ualc-system-prompt-icon {
    background: #fef2f2;
    color: #b91c1c;
    box-shadow: inset 0 0 0 1px #fecaca;
}

.ualc-system-prompt.prompt-success .ualc-system-prompt-icon {
    background: #ecfdf5;
    color: #047857;
    box-shadow: inset 0 0 0 1px #bbf7d0;
}

.ualc-system-prompt-copy h3 {
    margin: 0 0 10px;
    color: #0f172a;
    font-size: 1.28rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.ualc-system-prompt-copy p {
    margin: 0;
    color: #475569;
    font-size: 0.96rem;
    line-height: 1.55;
}

.ualc-system-prompt-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 24px;
}

.ualc-prompt-btn {
    border: 0;
    border-radius: 13px;
    padding: 12px 15px;
    font-weight: 800;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.ualc-prompt-btn:hover {
    transform: translateY(-1px);
}

.ualc-prompt-cancel {
    background: #f1f5f9;
    color: #334155;
    border: 1px solid #e2e8f0;
}

.ualc-prompt-cancel:hover {
    background: #e2e8f0;
}

.ualc-prompt-confirm {
    background: linear-gradient(135deg, #082f63 0%, #0f4c81 100%);
    color: #ffffff;
    box-shadow: 0 10px 24px rgba(15, 76, 129, 0.22);
}

.ualc-system-prompt.prompt-danger .ualc-prompt-confirm {
    background: linear-gradient(135deg, #991b1b 0%, #dc2626 100%);
    box-shadow: 0 10px 24px rgba(220, 38, 38, 0.22);
}

.ualc-system-prompt.prompt-success .ualc-prompt-confirm {
    background: linear-gradient(135deg, #065f46 0%, #059669 100%);
    box-shadow: 0 10px 24px rgba(5, 150, 105, 0.22);
}

body.ualc-prompt-open {
    overflow: hidden;
}

@media (max-width: 540px) {
    .ualc-system-prompt-card {
        padding: 28px 20px 20px;
    }

    .ualc-system-prompt-actions {
        grid-template-columns: 1fr;
    }
}