/* ============================================================
   TOP SECRET LOGIN SCREEN
   ============================================================ */
.login-screen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #050a0e;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    overflow: hidden;
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.login-screen.hidden {
    opacity: 0;
    transform: scale(1.05);
    pointer-events: none;
}

/* Scanlines overlay */
.login-screen__scanlines {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 255, 136, 0.015) 2px,
        rgba(0, 255, 136, 0.015) 4px
    );
    pointer-events: none;
    z-index: 1;
}

/* Animated grid background */
.login-screen__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
    z-index: 0;
}
@keyframes gridMove {
    from { transform: translate(0, 0); }
    to { transform: translate(60px, 60px); }
}

/* Floating particles */
.login-screen__particles {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}
.login-screen__particles .particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(0, 255, 136, 0.4);
    border-radius: 50%;
    animation: float 8s infinite ease-in-out;
}
@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    50% { transform: translateY(-200px) translateX(50px); }
}

/* Top status bar */
.login-screen__topbar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 12px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: rgba(0, 255, 136, 0.6);
    letter-spacing: 1.5px;
    border-bottom: 1px solid rgba(0, 255, 136, 0.1);
    z-index: 10;
}
.login-screen__blink {
    width: 8px;
    height: 8px;
    background: #00FF88;
    border-radius: 50%;
    animation: blink 1.5s infinite;
    box-shadow: 0 0 8px #00FF88;
}
@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}
.login-screen__time {
    font-variant-numeric: tabular-nums;
}

/* Main container */
.login-screen__container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 420px;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

/* Shield icon */
.login-screen__shield {
    animation: shieldPulse 3s ease-in-out infinite;
}
@keyframes shieldPulse {
    0%, 100% { filter: drop-shadow(0 0 8px rgba(0, 255, 136, 0.3)); }
    50% { filter: drop-shadow(0 0 20px rgba(0, 255, 136, 0.6)); }
}

/* Classification header */
.login-screen__classification {
    text-align: center;
}
.login-screen__stamp {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 6px;
    color: #FF3344;
    border: 2px solid #FF3344;
    padding: 6px 20px;
    margin-bottom: 16px;
    animation: stampGlow 2s ease-in-out infinite;
}
@keyframes stampGlow {
    0%, 100% { box-shadow: 0 0 4px rgba(255, 51, 68, 0.3); }
    50% { box-shadow: 0 0 16px rgba(255, 51, 68, 0.6); }
}
.login-screen__title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 22px;
    font-weight: 600;
    color: #FFFFFF;
    letter-spacing: 4px;
    margin-top: 12px;
}
.login-screen__subtitle {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 8px;
    letter-spacing: 0.5px;
}

/* Form */
.login-screen__form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.login-screen__field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.login-screen__label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 2px;
    color: rgba(0, 255, 136, 0.7);
    display: flex;
    align-items: center;
    gap: 8px;
}
.login-screen__label-icon {
    font-size: 8px;
    color: #00FF88;
}
.login-screen__input-wrap {
    position: relative;
}
.login-screen__input {
    width: 100%;
    background: rgba(0, 255, 136, 0.03);
    border: 1.5px solid rgba(0, 255, 136, 0.2);
    border-radius: 6px;
    padding: 16px 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 15px;
    color: #FFFFFF;
    outline: none;
    transition: all 0.3s;
    letter-spacing: 1px;
}
.login-screen__input::placeholder {
    color: rgba(255, 255, 255, 0.2);
    font-size: 13px;
}
.login-screen__input:focus {
    border-color: #00FF88;
    background: rgba(0, 255, 136, 0.06);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.1), inset 0 0 20px rgba(0, 255, 136, 0.02);
}
.login-screen__input-glow {
    position: absolute;
    bottom: -1px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #00FF88;
    border-radius: 2px;
    transition: all 0.4s;
    transform: translateX(-50%);
    box-shadow: 0 0 8px #00FF88;
}
.login-screen__input:focus + .login-screen__input-glow {
    width: 100%;
}

/* Error message */
.login-screen__error {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: rgba(255, 51, 68, 0.08);
    border: 1px solid rgba(255, 51, 68, 0.3);
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: #FF3344;
    letter-spacing: 0.5px;
    animation: shake 0.5s ease;
}
.login-screen__error.show {
    display: flex;
}
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}
.login-screen__error-icon {
    font-size: 16px;
}

/* Submit button */
.login-screen__btn {
    width: 100%;
    padding: 18px;
    background: transparent;
    border: 2px solid #00FF88;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 4px;
    color: #00FF88;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.4s;
    margin-top: 4px;
}
.login-screen__btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 255, 136, 0.05);
    transform: translateX(-100%);
    transition: transform 0.4s;
}
.login-screen__btn:hover::before {
    transform: translateX(0);
}
.login-screen__btn:hover {
    background: rgba(0, 255, 136, 0.1);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.2), inset 0 0 30px rgba(0, 255, 136, 0.05);
    transform: translateY(-2px);
}
.login-screen__btn:active {
    transform: translateY(0);
}
.login-screen__btn-text {
    position: relative;
    z-index: 1;
}
.login-screen__btn-loading {
    display: none;
    gap: 6px;
    justify-content: center;
    align-items: center;
}
.login-screen__btn-loading span {
    width: 6px;
    height: 6px;
    background: #00FF88;
    border-radius: 50%;
    animation: loadDot 0.6s ease-in-out infinite;
}
.login-screen__btn-loading span:nth-child(2) { animation-delay: 0.15s; }
.login-screen__btn-loading span:nth-child(3) { animation-delay: 0.3s; }
@keyframes loadDot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(0.4); opacity: 0.4; }
}
.login-screen__btn.loading .login-screen__btn-text { display: none; }
.login-screen__btn.loading .login-screen__btn-loading { display: flex; }

/* Warnings footer */
.login-screen__warnings {
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: rgba(255, 255, 255, 0.25);
    letter-spacing: 0.5px;
    line-height: 1.8;
}

/* Bottom status bar */
.login-screen__bottombar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: rgba(0, 255, 136, 0.4);
    letter-spacing: 1px;
    border-top: 1px solid rgba(0, 255, 136, 0.1);
    z-index: 10;
}

/* Success state */
.login-screen.success .login-screen__container {
    animation: successFade 1s ease forwards;
}
@keyframes successFade {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.02); opacity: 0.8; }
    100% { transform: scale(0.95); opacity: 0; }
}
.login-screen.success .login-screen__topbar,
.login-screen.success .login-screen__bottombar {
    color: #00FF88;
}

/* ============================================================
   ACCESS GRANTED overlay
   ============================================================ */
.access-granted {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: #050a0e;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 16px;
}
.access-granted.show {
    display: flex;
    animation: grantedFlash 2s ease forwards;
}
@keyframes grantedFlash {
    0% { opacity: 1; }
    10% { background: rgba(0, 255, 136, 0.1); }
    20% { background: #050a0e; }
    80% { opacity: 1; }
    100% { opacity: 0; pointer-events: none; }
}
.access-granted__text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 28px;
    font-weight: 600;
    letter-spacing: 8px;
    color: #00FF88;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
    animation: grantedPulse 0.5s ease;
}
@keyframes grantedPulse {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}
.access-granted__sub {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: rgba(0, 255, 136, 0.6);
    letter-spacing: 3px;
}

/* Responsive */
@media (max-width: 768px) {
    .login-screen__title { font-size: 18px; letter-spacing: 2px; }
    .login-screen__topbar, .login-screen__bottombar { 
        font-size: 9px; 
        padding: 10px 16px;
        flex-wrap: wrap;
        gap: 8px;
    }
    .login-screen__container { padding: 0 20px; }
    .login-screen__stamp { font-size: 10px; letter-spacing: 4px; padding: 5px 16px; }
}



/* Decrypting text in access granted overlay */
.access-granted__decrypting {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: rgba(0, 255, 136, 0.4);
    letter-spacing: 2px;
    margin-top: 8px;
    animation: decryptBlink 0.5s infinite;
}
@keyframes decryptBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

/* Disable text selection on login screen */
.login-screen {
    user-select: none;
    -webkit-user-select: none;
}