/* InstallMaster — Login (glass + photo background) */
:root {
    --im-login-cyan: #22d3ee;
    --im-login-cyan-dim: #06b6d4;
    --im-login-accent: #60a5fa;
    --im-login-glass: rgba(12, 24, 40, 0.38);
    --im-login-glass-light: rgba(255, 255, 255, 0.09);
    --im-login-glass-border: rgba(255, 255, 255, 0.22);
    --im-login-text: #f8fafc;
    --im-login-text-muted: rgba(226, 232, 240, 0.72);
}

/* ===== Full-screen photo background ===== */
body.im-login-page {
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    font-family: 'Tajawal', sans-serif;
    color: var(--im-login-text);
    background: #060d18;
    position: relative;
    overflow: hidden;
}

.im-login-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.im-login-bg-photo {
    position: absolute;
    inset: -4%;
    background-image: url('../images/login-bg.jpg');
    background-size: cover;
    background-position: center;
    transform: scale(1.06);
    animation: im-login-kenburns 28s ease-in-out infinite alternate;
    will-change: transform;
}

.im-login-bg-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(160deg, rgba(6, 13, 24, 0.72) 0%, rgba(10, 22, 40, 0.55) 45%, rgba(8, 18, 32, 0.78) 100%),
        radial-gradient(ellipse 90% 70% at 50% 40%, rgba(6, 182, 212, 0.12) 0%, transparent 60%);
}

.im-login-bg-vignette {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 85% 75% at 50% 50%, transparent 35%, rgba(0, 0, 0, 0.55) 100%);
}

.im-login-bg-grid {
    position: absolute;
    inset: 0;
    opacity: 0.22;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, black 15%, transparent 80%);
}

.im-login-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.45;
    animation: im-login-float 16s ease-in-out infinite;
}

.im-login-orb-1 {
    width: 20rem;
    height: 20rem;
    top: -5rem;
    right: 8%;
    background: rgba(34, 211, 238, 0.35);
}

.im-login-orb-2 {
    width: 16rem;
    height: 16rem;
    bottom: -4rem;
    left: 5%;
    background: rgba(59, 130, 246, 0.3);
    animation-delay: -6s;
}

.im-login-orb-3 {
    width: 10rem;
    height: 10rem;
    top: 38%;
    left: 62%;
    background: rgba(99, 102, 241, 0.22);
    animation-delay: -11s;
}

.im-login-particles span {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.55);
    box-shadow: 0 0 8px rgba(34, 211, 238, 0.8);
    animation: im-login-sparkle 4s ease-in-out infinite;
}

.im-login-particles span:nth-child(1) { top: 18%; left: 22%; animation-delay: 0s; }
.im-login-particles span:nth-child(2) { top: 72%; left: 78%; animation-delay: -1.2s; }
.im-login-particles span:nth-child(3) { top: 35%; left: 88%; animation-delay: -2.4s; }
.im-login-particles span:nth-child(4) { top: 82%; left: 15%; animation-delay: -0.8s; }
.im-login-particles span:nth-child(5) { top: 12%; left: 65%; animation-delay: -3.1s; }
.im-login-particles span:nth-child(6) { top: 55%; left: 8%; animation-delay: -1.9s; }

@keyframes im-login-kenburns {
    from { transform: scale(1.04) translate(0, 0); }
    to { transform: scale(1.12) translate(-1.2%, -0.8%); }
}

@keyframes im-login-float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-14px, 12px); }
}

@keyframes im-login-sparkle {
    0%, 100% { opacity: 0.2; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* ===== Glass card ===== */
.im-login-shell {
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: 1;
    animation: im-login-in 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.im-login-shell::before {
    content: '';
    position: absolute;
    inset: -20%;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.18) 0%, transparent 65%);
    filter: blur(40px);
    z-index: -1;
    pointer-events: none;
}

@keyframes im-login-in {
    from { opacity: 0; transform: translateY(24px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.im-login-card {
    position: relative;
    border-radius: 26px;
    overflow: hidden;
    background: var(--im-login-glass);
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
    border: 1px solid var(--im-login-glass-border);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.05) inset,
        0 8px 32px rgba(0, 0, 0, 0.35),
        0 32px 64px rgba(0, 0, 0, 0.25),
        0 0 80px rgba(6, 182, 212, 0.12);
}

.im-login-card-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.08) 50%, transparent 60%);
    animation: im-login-shine 7s ease-in-out infinite;
    pointer-events: none;
    z-index: 3;
}

@keyframes im-login-shine {
    0%, 75% { left: -100%; }
    100% { left: 140%; }
}

.im-login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--im-login-cyan), var(--im-login-accent), var(--im-login-cyan-dim), transparent);
    z-index: 2;
    opacity: 0.9;
}

.im-login-card-header {
    padding: 2rem 2rem 1.35rem;
    text-align: center;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, transparent 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.im-login-brand img {
    max-height: 82px;
    max-width: 250px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.45));
}

.im-login-brand-fallback {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    font-size: 1.45rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.im-login-brand-fallback i { color: var(--im-login-cyan); font-size: 1.6rem; }
.im-login-brand.is-fallback img { display: none; }
.im-login-brand.is-fallback .im-login-brand-fallback { display: flex; }

.im-login-title {
    margin: 1.15rem 0 0;
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
    letter-spacing: -0.01em;
}

.im-login-subtitle {
    margin: 0.4rem 0 0;
    font-size: 0.86rem;
    color: var(--im-login-text-muted);
    font-weight: 500;
}

.im-login-card-body {
    padding: 1.65rem 2rem 1.4rem;
    background: transparent;
}

.im-login-card-body,
.im-login-card-header,
.im-login-footer {
    position: relative;
    z-index: 1;
}

/* ===== Form (glass inputs) ===== */
.im-login-alert {
    border: 1px solid rgba(248, 113, 113, 0.35);
    border-radius: 12px;
    font-size: 0.88rem;
    padding: 0.7rem 0.9rem;
    margin-bottom: 1.1rem;
    background: rgba(127, 29, 29, 0.35);
    color: #fecaca;
    backdrop-filter: blur(8px);
}

.im-login-alert.validation-summary-valid { display: none !important; }
.im-login-alert ul { margin: 0; padding-right: 1.1rem; }

.im-login-field { margin-bottom: 1.15rem; }

.im-login-field label {
    display: block;
    margin-bottom: 0.45rem;
    font-size: 0.87rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

.im-login-input-wrap {
    display: flex;
    align-items: stretch;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 14px;
    overflow: hidden;
    background: var(--im-login-glass-light);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.im-login-input-wrap:focus-within {
    border-color: rgba(34, 211, 238, 0.65);
    background: rgba(255, 255, 255, 0.12);
    box-shadow:
        0 0 0 3px rgba(6, 182, 212, 0.15),
        0 0 24px rgba(6, 182, 212, 0.12);
}

.im-login-input-wrap .form-control {
    flex: 1 1 auto;
    min-width: 0;
    border: 0;
    background: transparent;
    box-shadow: none !important;
    font-size: 0.95rem;
    padding: 0.72rem 0.85rem;
    height: auto;
    color: #fff;
}

.im-login-input-wrap .form-control::placeholder {
    color: rgba(255, 255, 255, 0.38);
}

.im-login-input-icon,
.im-login-toggle-pass {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 2.8rem;
    border: 0;
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.55);
    padding: 0;
}

.im-login-input-icon {
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--im-login-cyan);
}

.im-login-toggle-pass {
    cursor: pointer;
    transition: color 0.15s ease, background 0.15s ease;
}

.im-login-toggle-pass:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.im-login-options {
    display: flex;
    align-items: center;
    margin: 0.1rem 0 1.3rem;
}

.im-login-options .form-check { margin: 0; padding: 0; min-height: 0; }
.im-login-options .form-check-input {
    margin-top: 0.15rem;
    accent-color: var(--im-login-cyan);
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.35);
}

.im-login-options .form-check-label {
    font-size: 0.88rem;
    color: var(--im-login-text-muted);
    cursor: pointer;
    user-select: none;
}

.im-login-btn {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 14px;
    padding: 0.78rem 1rem;
    font-size: 1.02rem;
    font-weight: 700;
    color: #fff !important;
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.85) 0%, rgba(8, 145, 178, 0.9) 100%);
    box-shadow:
        0 0 24px rgba(6, 182, 212, 0.25),
        0 8px 28px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

.im-login-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.im-login-btn:hover,
.im-login-btn:focus {
    transform: translateY(-2px);
    box-shadow:
        0 0 36px rgba(34, 211, 238, 0.35),
        0 12px 32px rgba(0, 0, 0, 0.35);
    color: #fff;
}

.im-login-btn:active { transform: translateY(0); }
.im-login-btn:disabled { opacity: 0.7; cursor: wait; transform: none; }

.im-login-footer {
    padding: 0.95rem 2rem 1.4rem;
    text-align: center;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.45);
    background: rgba(0, 0, 0, 0.12);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.im-login-footer strong {
    color: rgba(255, 255, 255, 0.65);
    font-weight: 600;
}

.field-validation-error,
.im-login-field .text-danger {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.8rem;
    color: #fca5a5 !important;
}

@media (max-width: 480px) {
    body.im-login-page {
        padding: 1rem;
        align-items: flex-start;
        padding-top: 1.5rem;
    }

    .im-login-card { border-radius: 22px; }
    .im-login-card-header { padding: 1.55rem 1.35rem 1.15rem; }
    .im-login-card-body { padding: 1.35rem 1.35rem 1.15rem; }
    .im-login-footer { padding: 0.8rem 1.35rem 1.15rem; }
    .im-login-brand img { max-height: 66px; }
}

@media (prefers-reduced-motion: reduce) {
    .im-login-bg-photo,
    .im-login-orb,
    .im-login-particles span,
    .im-login-card-shine,
    .im-login-shell { animation: none !important; }
}